Disable TYPO3 v10 CI pushes after community support ended (ELTS)
TYPO3 v10 entering ELTS in the nearer future, marking the end of official community support. Therefore, handling v10 branch(es) for pushing to Gitlab CI can be removed then.
After removing the v10 support from the Gerrit Adapter and
deployment has been executed, docker images can be removed
from testing-infrastructure
repository.