fix(deps): Update googleapis/release-please-action action to v4

Author: cq-bot

.github/workflows/release-pr.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: googleapis/release-please-action@v3
+      - uses: googleapis/release-please-action@v4
         id: release
         with:
           release-type: go