Merge branch 'enable-loose-fk-ff-by-default' into 'master'

Enable loose_foreign_key_cleanup FF by default

See merge request gitlab-org/gitlab!74499

config/feature_flags/development/loose_foreign_key_cleanup.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/343545
 milestone: '14.4'
 type: development
 group: group::sharding
-default_enabled: false
+default_enabled: true