[!585] Move quick label setup back to dune-common

Merge branch 'ci/fix-test-labels' into 'master'

See merge request [!585]

  [!585]: Nonecore/dune-common/merge_requests/585

.gitlab-ci.yml

@@ -6,6 +6,9 @@ include:
 before_script:
   - . /duneci/bin/duneci-init-job
 
+variables:
+  DUNECI_TEST_LABELS: quick
+
 debian:10 gcc-7-14--expensive:
   # This image has Vc
   image: registry.dune-project.org/docker/ci/debian:10