The self-hosted runner: gh-runner-mac-mini-aramis lost communication with the server. Verify the machine is running and has a healthy network connection. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.

Process completed with exit code 1.

Failed to download action 'https://api.github.com/repos/actions/checkout/tarball/a5ac7e51b41094c92402da3b24376905380afc29'. Error: nodename nor servname provided, or not known (codeload.github.com:443)