fix(conventional_commits): never run on git tag

no requirement to run on git tag as a MR is required
see nofusscomputing/projects/ansible/git_configuration!7 for failed job.

!22 nofusscomputing/projects/ansible/git_configuration!7

conventional_commits/.gitlab-ci.yml

@@ -49,7 +49,7 @@
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
       when: never
     - if: '$CI_COMMIT_TAG'
-      when: always
+      when: never
     - if: '$CI_COMMIT_BRANCH == "master"'
       when: always
     - if: '$CI_COMMIT_BRANCH'