Merge branch 'dag-pipeline-ff-consistent' into 'master'

DAG visualization FF: Update default to true in HAML

See merge request gitlab-org/gitlab!37435

app/views/projects/pipelines/_with_tabs.html.haml

 - test_reports_enabled = Feature.enabled?(:junit_pipeline_view, @project)
-- dag_pipeline_tab_enabled = Feature.enabled?(:dag_pipeline_tab, @project, default_enabled: false)
+- dag_pipeline_tab_enabled = Feature.enabled?(:dag_pipeline_tab, @project, default_enabled: true)
 
 .tabs-holder
   %ul.pipelines-tabs.nav-links.no-top.no-bottom.mobile-separator.nav.nav-tabs