Shorten default docker image name

3 jobs for 46-default-docker-image-name-too-long in 20 seconds (queued for 4 seconds)
latest
Status Name Job ID Coverage
  Test
passed deploy_devcontainer #348053
docker

00:00:09

passed shellcheck #348051
docker

00:00:10

passed yamllint #348052
docker

00:00:19