chore(deps): update googlecloudplatform/release-please-action action to v3.2.6 (#865)

Co-authored-by: gcf-merge-on-green[bot] <60162190+gcf-merge-on-green[bot]@users.noreply.github.com>

Author: renovate-bot

.github/workflows/release-please.yml

@@ -21,7 +21,7 @@ jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: GoogleCloudPlatform/[email protected].5
+      - uses: GoogleCloudPlatform/[email protected].6
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           release-type: simple