Unhandled error: HttpError: Validation Failed: {"resource":"PullRequest","code":"custom","message":"A pull request already exists for oracle-japan:develop."}

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/github-script@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/