Task io.fabric8.kubernetes.client.utils.internal.SerialExecutor$$Lambda$729/0x000002b005495430@1ea2a607 rejected from java.util.concurrent.ThreadPoolExecutor@1a9d210b[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 0]

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-java@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/