Relax Docker test severity and fix remaining issues

3 jobs for tests in 50 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed dockerfiles #39438

00:00:33

failed shellcheck #39437
allowed to fail

00:00:26

failed yamllint #39439
allowed to fail

00:00:23

 
Name Stage Failure
failed
yamllint Test
No job log
failed
shellcheck Test
No job log