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

Failed to download action 'https://api.github.com/repos/actions/checkout/tarball/ee0669bd1cc54295c223e0bb666b733df41de1c5'. Error: Response status code does not indicate success: 503 (Service Unavailable).