deps: update dependency com.google.api.grpc:proto-google-iam-v1 to v1.6.13 (#1033)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.api.grpc:proto-google-iam-v1](https://togithub.com/googleapis/java-iam/proto-google-iam-v1) ([source](https://togithub.com/googleapis/java-iam)) | `1.6.12` -> `1.6.13` | [![age](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-iam-v1/1.6.13/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-iam-v1/1.6.13/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-iam-v1/1.6.13/compatibility-slim/1.6.12)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-iam-v1/1.6.13/confidence-slim/1.6.12)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/java-iam</summary>

### [`v1.6.13`](https://togithub.com/googleapis/java-iam/blob/HEAD/CHANGELOG.md#&#8203;1613-httpsgithubcomgoogleapisjava-iamcomparev1612v1613-2022-11-17)

[Compare Source](https://togithub.com/googleapis/java-iam/compare/v1.6.12...v1.6.13)

##### Dependencies

-   Update dependency com.google.cloud:google-iam-policy to v1.6.12 ([#&#8203;526](https://togithub.com/googleapis/java-iam/issues/526)) ([1379eee](https://togithub.com/googleapis/java-iam/commit/1379eee913abdf9fbf047a869331506df3fce78a))
-   Update dependency io.grpc:grpc-protobuf to v1.51.0 ([#&#8203;527](https://togithub.com/googleapis/java-iam/issues/527)) ([3d93f1d](https://togithub.com/googleapis/java-iam/commit/3d93f1d50e814122b39400ff385226c5b47f67f4))
-   Update dependency io.grpc:grpc-stub to v1.51.0 ([#&#8203;528](https://togithub.com/googleapis/java-iam/issues/528)) ([7e42c24](https://togithub.com/googleapis/java-iam/commit/7e42c24069fe81ec2430b3a03777a1aad8275b66))

</details>

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java-core/pom.xml

@@ -154,7 +154,7 @@
     <gax.version>2.19.5</gax.version>
     <google.api-common.version>2.2.2</google.api-common.version>
     <google.common-protos.version>2.10.0</google.common-protos.version>
-    <google.iam.version>1.6.12</google.iam.version>
+    <google.iam.version>1.6.13</google.iam.version>
     <google.auth.version>1.13.0</google.auth.version>
     <google.api.version>2.0.1</google.api.version>
     <google.http.version>1.42.3</google.http.version>