Merge branch '322141-compare-repo-dropdown-ff-on' into 'master'

Turn compare_repo_dropdown default on

See merge request gitlab-org/gitlab!60705

config/feature_flags/development/compare_repo_dropdown.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/322141
 milestone: '13.9'
 type: development
 group: group::source code
-default_enabled: false
+default_enabled: true