Enable project shared runners query change FF

This change enables the
use_cte_for_any_project_with_shared_runners_enabled feature flag by
default which tries to optimize the database query within the
any_project_with_shared_runners_enabled? method.

Feature: changed

config/feature_flags/development/use_cte_for_any_project_with_shared_runners_enabled.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/342024
 milestone: '14.4'
 type: development
 group: group::optimize
-default_enabled: false
+default_enabled: true