chore(deps): update googleapis/release-please-action digest to 16a9c90

Author: renovate[bot]

.github/workflows/release-please.yaml

@@ -13,7 +13,7 @@ jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: googleapis/release-please-action@a02a34c4d625f9be7cb89156071d8567266a2445 # v4
+      - uses: googleapis/release-please-action@16a9c90856f42705d54a6fda1823352bdc62cf38 # v4
         id: release
         with:
           token: ${{ secrets.RELEASE_PLEASE_TOKEN }}