Enable LFS chunked encoding by default

This has been enabled on GitLab.com with no noticeable issues. This
feature tells the client that they can use `Transfer-Encoding: chunked`,
which may help avoid request buffering and deal and help with large
uploads.

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/285581

app/controllers/repositories/lfs_api_controller.rb

@@ -105,7 +105,7 @@ module Repositories
         'Content-Type': LFS_TRANSFER_CONTENT_TYPE
       }
 
-      if Feature.enabled?(:lfs_chunked_encoding, project)
+      if Feature.enabled?(:lfs_chunked_encoding, project, default_enabled: true)
         headers['Transfer-Encoding'] = 'chunked'
       end
 

changelogs/unreleased/sh-lfs-chunked-encoding-default.yml

+---
+title: Enable LFS chunked encoding by default
+merge_request: 49649
+author:
+type: changed

config/feature_flags/development/lfs_chunked_encoding.yml

 ---
 name: lfs_chunked_encoding
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/jobs/864043673
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/48269
 rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/285581
 milestone: '13.6'
 type: development
 group:
-default_enabled: false
+default_enabled: true