chore(librarian): onboard google-cloud-eventarc (#14451)

Onboard `google-cloud-eventarc` to librarian

Towards googleapis/librarian#761

Author: parthea

.librarian/state.yaml

@@ -1,24 +1,45 @@
 image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator:latest
 libraries:
-    - id: google-cloud-dlp
-      version: 3.32.0
-      last_generated_commit: f8776fec04e336527ba7279d960105533a1c4e21
-      apis:
-        - path: google/privacy/dlp/v2
-          service_config: dlp_v2.yaml
-      source_roots:
-        - packages/google-cloud-dlp
-      preserve_regex:
-        - packages/google-cloud-dlp/CHANGELOG.md
-        - docs/CHANGELOG.md
-        - docs/README.rst
-        - samples/README.txt
-        - tar.gz
-        - gapic_version.py
-        - samples/generated_samples/snippet_metadata_
-        - scripts/client-post-processing
-        - samples/snippets/README.rst
-        - tests/system
-      remove_regex:
-        - packages/google-cloud-dlp
-      tag_format: '{id}-v{version}'
+  - id: google-cloud-dlp
+    version: 3.32.0
+    last_generated_commit: f8776fec04e336527ba7279d960105533a1c4e21
+    apis:
+      - path: google/privacy/dlp/v2
+        service_config: dlp_v2.yaml
+    source_roots:
+      - packages/google-cloud-dlp
+    preserve_regex:
+      - packages/google-cloud-dlp/CHANGELOG.md
+      - docs/CHANGELOG.md
+      - docs/README.rst
+      - samples/README.txt
+      - tar.gz
+      - gapic_version.py
+      - samples/generated_samples/snippet_metadata_
+      - scripts/client-post-processing
+      - samples/snippets/README.rst
+      - tests/system
+    remove_regex:
+      - packages/google-cloud-dlp
+    tag_format: '{id}-v{version}'
+  - id: google-cloud-eventarc
+    version: 1.15.3
+    last_generated_commit: d300b151a973ce0425ae4ad07b3de957ca31bec6
+    apis:
+      - path: google/cloud/eventarc/v1
+    source_roots:
+      - packages/google-cloud-eventarc
+    preserve_regex:
+      - packages/google-cloud-eventarc/CHANGELOG.md
+      - docs/CHANGELOG.md
+      - docs/README.rst
+      - samples/README.txt
+      - tar.gz
+      - gapic_version.py
+      - samples/generated_samples/snippet_metadata_
+      - scripts/client-post-processing
+      - samples/snippets/README.rst
+      - tests/system
+    remove_regex:
+      - packages/google-cloud-eventarc
+    tag_format: '{id}-v{version}'

scripts/configure_state_yaml/configure_state_yaml.py

@@ -69,7 +69,7 @@ def configure_state_yaml() -> None:
                 {
                     "id": package_name,
                     "version": release_please_manifest[f"packages/{package_name}"],
-                    "last_generated_commit": "97a83d76a09a7f6dcab43675c87bdfeb5bcf1cb5",
+                    "last_generated_commit": "d300b151a973ce0425ae4ad07b3de957ca31bec6",
                     "apis": api_paths,
                     "source_roots": [f"packages/{package_path.name}"],
                     "preserve_regex": [

scripts/configure_state_yaml/packages_to_onboard.yaml

@@ -14,5 +14,6 @@
 #
 
 packages_to_onboard: [
-  "google-cloud-dlp"
+  "google-cloud-dlp",
+  "google-cloud-eventarc",
 ]