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

Author: renovate[bot]

.github/workflows/release-please.yml

@@ -14,6 +14,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Run Release Please
-        uses: googleapis/release-please-action@c2a5a2bd6a758a0937f1ddb1e8950609867ed15c # v4
+        uses: googleapis/release-please-action@16a9c90856f42705d54a6fda1823352bdc62cf38 # v4
         with:
           token: ${{ secrets.GH_PAT }}