The hosted runner: GitHub Actions 19 lost communication with the server. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

Restore cache failed: Dependencies file is not found in /home/runner/work/nordic-developer-academy-coap/nordic-developer-academy-coap. Supported file pattern: go.sum