chore: apply direct hash in actions instead of tag (#9)

Author: munlicode

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: googleapis/release-please-action@v4
+      - uses: googleapis/release-please-action@16a9c90856f42705d54a6fda1823352bdc62cf38 # v4.4.0
         id: release
         with:
           token: ${{ secrets.GITHUB_TOKEN }}