feat: [secretmanager] clients for SecretManager API v1beta2 (#5117)

* feat: clients for SecretManager API v1beta2

docs: Users can now create/use regional secrets along with existing global secrets.
PiperOrigin-RevId: 613474200

Source-Link: googleapis/googleapis@061facc

Source-Link: googleapis/googleapis-gen@7e8d206
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

packages/google-cloud-secretmanager/README.md

@@ -77,6 +77,21 @@ Samples are in the [`samples/`](https://github.com/googleapis/google-cloud-node/
 | Secret_manager_service.set_iam_policy | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1/secret_manager_service.set_iam_policy.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1/secret_manager_service.set_iam_policy.js,packages/google-cloud-secretmanager/samples/README.md) |
 | Secret_manager_service.test_iam_permissions | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1/secret_manager_service.test_iam_permissions.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1/secret_manager_service.test_iam_permissions.js,packages/google-cloud-secretmanager/samples/README.md) |
 | Secret_manager_service.update_secret | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1/secret_manager_service.update_secret.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1/secret_manager_service.update_secret.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.access_secret_version | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.access_secret_version.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.access_secret_version.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.add_secret_version | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.add_secret_version.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.add_secret_version.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.create_secret | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.create_secret.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.create_secret.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.delete_secret | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.delete_secret.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.delete_secret.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.destroy_secret_version | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.destroy_secret_version.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.destroy_secret_version.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.disable_secret_version | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.disable_secret_version.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.disable_secret_version.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.enable_secret_version | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.enable_secret_version.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.enable_secret_version.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.get_iam_policy | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.get_iam_policy.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.get_iam_policy.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.get_secret | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.get_secret.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.get_secret.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.get_secret_version | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.get_secret_version.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.get_secret_version.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.list_secret_versions | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.list_secret_versions.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.list_secret_versions.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.list_secrets | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.list_secrets.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.list_secrets.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.set_iam_policy | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.set_iam_policy.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.set_iam_policy.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.test_iam_permissions | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.test_iam_permissions.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.test_iam_permissions.js,packages/google-cloud-secretmanager/samples/README.md) |
+| Secret_manager_service.update_secret | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.update_secret.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/generated/v1beta2/secret_manager_service.update_secret.js,packages/google-cloud-secretmanager/samples/README.md) |
 | Quickstart | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-secretmanager/samples/quickstart.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-node&page=editor&open_in_editor=packages/google-cloud-secretmanager/samples/quickstart.js,packages/google-cloud-secretmanager/samples/README.md) |