Skip repro tag for official Docker namespace releases

We need to skip the `repro` tag since we're unable to adjust required build parameters on the docker-library side.

See https://github.com/docker-library/official-images/pull/21327

.gitlab-ci.yml

@@ -408,6 +408,7 @@ release:
 
 # Publish to the official Docker namespace: https://hub.docker.com/_/archlinux
 # Note: The description is maintained here: https://github.com/docker-library/docs/tree/master/archlinux
+# This skips the `repro` tag since we're unable to adjust required build parameters on the docker-library side
 publish-dockerhub:
   stage: publish
   dependencies:
@@ -439,7 +440,7 @@ publish-dockerhub:
     - git checkout -b "$head"
     - cp ../docker-library.template library/archlinux
     - |
-      for group in base base-devel multilib-devel repro; do
+      for group in base base-devel multilib-devel; do
         test "${group}" = "base" && extra="latest, " || extra=""
         echo "Tags: ${extra}${group}, ${group}-${BUILD_VERSION}" >> library/archlinux
         echo "GitCommit: ${BUILD_COMMIT}" >> library/archlinux