* origin: (429 commits)
  UpdateMirror service return an error status when no mirror
  Remove explicit Gitlab::Metrics.action assignments, are already automatic.
  Fix Error 500 when attempting to sort merge requests by weight
  Fix JenkinsService test button
  File Lock
  Show flash notice when Git Hooks are updated successfully
  Set GL_ID in MergeRequests::RebaseService
  Update CHANGELOG
  ES: Project members with guest role can't access confidential issues
  Projects without import_url cannot be mirrors
  update schema
  Make project_id nullable
  update schema
  [Elastic] Move ES settings to application settings
  Update CHANGELOG-EE for 8.8.5 release
  Update CHANGELOG-EE for 8.7.7 release
  Update CHANGELOG-EE for 8.6.9 release
  Update CHANGELOG-EE for 8.5.13 release
  Update CHANGELOG-EE for 8.4.11 release
  Update CHANGELOG-EE for 8.3.10 release
  ...