Enable `security_report_ingestion_framework` FF by default

Changelog: changed
EE: true

config/feature_flags/development/security_report_ingestion_framework.yml

 ---
 name: security_report_ingestion_framework
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/66735
-rollout_issue_url: 
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/343332
 milestone: '14.4'
 type: development
 group: group::threat insights
-default_enabled: false
+default_enabled: true

ee/app/workers/store_security_reports_worker.rb

@@ -18,7 +18,7 @@ class StoreSecurityReportsWorker # rubocop:disable Scalability/IdempotentWorker
     Ci::Pipeline.find(pipeline_id).try do |pipeline|
       break unless pipeline.project.can_store_security_reports?
 
-      if Feature.enabled?(:security_report_ingestion_framework, pipeline.project)
+      if Feature.enabled?(:security_report_ingestion_framework, pipeline.project, default_enabled: :yaml)
         ::Security::Ingestion::IngestReportsService.execute(pipeline)
       else
         ::Security::StoreReportsService.new(pipeline).execute