Merge branch '350884-enable_ci_pending_builds_queue_source' into 'master'

Enable pending builds table queuing strategy

See merge request gitlab-org/gitlab!81238

config/feature_flags/development/ci_pending_builds_queue_source.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/350884
 milestone: '14.0'
 type: development
 group: group::pipeline execution
-default_enabled: false
+default_enabled: true