Enable consistent reads of build logs by default

app/models/ci/build_trace_chunk.rb

@@ -89,7 +89,7 @@ module Ci
       end
 
       def consistent_reads_enabled?(build)
-        Feature.enabled?(:gitlab_ci_trace_read_consistency, build.project, type: :development, default_enabled: false)
+        Feature.enabled?(:gitlab_ci_trace_read_consistency, build.project, type: :development, default_enabled: true)
       end
 
       ##

config/feature_flags/development/gitlab_ci_trace_read_consistency.yml

 ---
 name: gitlab_ci_trace_read_consistency
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/46976
-rollout_issue_url: 
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/320938
 milestone: '13.9'
 type: development
 group: group::continuous integration
-default_enabled: false
+default_enabled: true