Make repo sync a pull operation

[rlazo]

The action was defined as a push operation before

[github-actions]

📝 PRs merging into main branch

Our main branch should always be in a releasable state. If you are working on a larger change, or if you don't want this change to see the light of the day just yet, consider using a feature branch first, and only merge into the main branch when the code complete and ready to be released.

[github-actions]

Vertex AI Mock Responses Check ⚠️

A newer major version of the mock responses for Vertex AI unit tests is available. update_responses.sh should be updated to clone the latest version of the responses: v5.2

[github-actions]

Test Results

 1 036 files  +   998   1 036 suites  +998   33m 18s ⏱️ + 32m 22s
 5 873 tests + 5 778   5 851 ✅ + 5 756  22 💤 +22  0 ❌ ±0 
11 831 runs  +11 641  11 787 ✅ +11 597  44 💤 +44  0 ❌ ±0 

Results for commit 3f2b646. ± Comparison against base commit 5628212.

[google-oss-bot]

Size Report ¹

Affected Products

No changes between base commit (5628212) and merge commit (f06ca86).

Test Logs

• Base (5628212): https://github.com/firebase/firebase-android-sdk/actions/runs/12145946315
• Merge (f06ca86): https://github.com/firebase/firebase-android-sdk/actions/runs/12149550440

1. https://storage.googleapis.com/firebase-sdk-metric-reports/DVeP1tZAtA.html

[google-oss-bot]

Coverage Report ¹

Affected Products

• firebase-messaging

  Overall coverage changed from 84.12% (5628212) to 84.08% (f06ca86) by -0.04%.

  Filename	Base (5628212)	Merge (f06ca86)	Diff
  Metadata.java	41.27%	36.51%	-4.76%
  RequestDeduplicator.java	80.00%	90.00%	+10.00%

Test Logs

• Base (5628212): https://github.com/firebase/firebase-android-sdk/actions/runs/12145946315
• Merge (f06ca86): https://github.com/firebase/firebase-android-sdk/actions/runs/12149550440

1. https://storage.googleapis.com/firebase-sdk-metric-reports/vWlchr5qDZ.html