Merge branch 'changelog-tag-regex' into 'master'

Use a custom regex for changelog tags

See merge request gitlab-org/gitlab!62569

.gitlab/changelog_config.yml

@@ -36,3 +36,8 @@ template: |
   {% else %}
   No changes.
   {% end %}
+# The tag format for gitlab-org/gitlab is vX.Y.Z(-rcX)-ee. The -ee prefix would
+# be treated as a pre-release identifier, which can result in the wrong tag
+# being used as the starting point of a changelog commit range. The custom regex
+# here is used to ensure we find the correct tag.
+tag_regex: '^v(?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)-ee$'