Enable ci_manual_bridges by default

changelogs/unreleased/263412-enable-ci_manual_bridges-by-default.yml

+---
+title: Add support for manual bridges for CI pipelines
+merge_request: 45368
+author:
+type: added

config/feature_flags/development/ci_manual_bridges.yml

@@ -4,4 +4,4 @@ introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/44011
 rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/263412
 type: development
 group: group::pipeline authoring
-default_enabled: false
+default_enabled: true

lib/gitlab/ci/features.rb

@@ -72,7 +72,7 @@ module Gitlab
       end
 
       def self.manual_bridges_enabled?(project)
-        ::Feature.enabled?(:ci_manual_bridges, project, default_enabled: false)
+        ::Feature.enabled?(:ci_manual_bridges, project, default_enabled: true)
       end
     end
   end