build(node): add new jsteam + enforce branches up-to-date (#1451) (#525)

Source-Link: googleapis/synthtool@cd78529
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:ddb19a6df6c1fa081bc99fb29658f306dd64668bc26f75d1353b28296f3a78e6

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest
-  digest: sha256:b9e4584a1fe3c749e3c37c92497b13dce653b2e694f0261f0610eb0e15941357
-# created: 2022-05-05T21:08:42.530332893Z
+  digest: sha256:ddb19a6df6c1fa081bc99fb29658f306dd64668bc26f75d1353b28296f3a78e6
+# created: 2022-06-07T21:18:30.024751809Z

.github/sync-repo-settings.yaml

@@ -3,7 +3,7 @@ branchProtectionRules:
     isAdminEnforced: true
     requiredApprovingReviewCount: 1
     requiresCodeOwnerReviews: true
-    requiresStrictStatusChecks: false
+    requiresStrictStatusChecks: true
     requiredStatusCheckContexts:
       - "ci/kokoro: Samples test"
       - "ci/kokoro: System test"
@@ -15,3 +15,10 @@ branchProtectionRules:
       - cla/google
       - windows
       - OwlBot Post Processor
+permissionRules:
+  - team: yoshi-admins
+    permission: admin
+  - team: jsteam-admins
+    permission: admin
+  - team: jsteam
+    permission: push