ci: [Backport] Adding minimal required job set and validation preventing PRs from merging when tests are running#3691

michalChrobot merged 2 commits intodevelopUnity-Technologies/com.unity.netcode.gameobjects:developfrom

test-for-all-checks-pass-before-merging-backportUnity-Technologies/com.unity.netcode.gameobjects:test-for-all-checks-pass-before-merging-backportCopy head branch name to clipboard