When the repository is checked out on a commit instead of a branch, the 'base' input must be supplied.

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3.3.0, actions/setup-java@v3.9.0, peter-evans/create-pull-request@v4.2.3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/