* upstream/master: (247 commits)
  Switched CONTRIBUTING.md style guide recommendation for method chaining
  Fix new offenses
  Stylistic tweaks
  Fix OAuth/SAML user blocking behavior
  Revert "Enable Style/DotPosition"
  Revert "Prefer leading style for Style/DotPosition"
  Revert "Enable Style/BarePercentLiterals"
  Manually correct autocorrect
  Move up delegate calls
  Exclude migrations from Style/MutableConstant
  ActiveSupport delegation is preferred over Forwardable
  Update haml_lint to work with newest rubocop
  Add explanations to cops
  Update rubocop and rubocop-rspec and regenerate .rubocop_todo.yml
  Update rubocop and rubocop-rspec and regenerate .rubocop_todo.yml
  Order cops alphabetically
  Don’t exclude some file in lib from rubocop
  Fix new offenses
  Enable Rails/Delegate
  Enable Style/WordArray
  ...

This reverts commit e00fb2bdc2090e9cabeb1eb35a2672a882cc96e9.

# Conflicts:
#	.rubocop.yml
#	.rubocop_todo.yml
#	lib/gitlab/ci/config/entry/global.rb
#	lib/gitlab/ci/config/entry/jobs.rb
#	spec/lib/gitlab/ci/config/entry/factory_spec.rb
#	spec/lib/gitlab/ci/config/entry/global_spec.rb
#	spec/lib/gitlab/ci/config/entry/job_spec.rb
#	spec/lib/gitlab/ci/status/build/factory_spec.rb
#	spec/lib/gitlab/incoming_email_spec.rb

This reverts commit cb10b725c8929b8b4460f89c9d96c773af39ba6b.

* upstream/master: (234 commits)
  Improve performance of User Agent Detail
  Fix some grammar in the API docs
  Remove shared example for pagination
  API: Use POST to (un)block a user
  API: Moved `DELETE /projects/:id/star` to `POST /projects/:id/unstar`
  Use grape validation for dates
  Change wording for LDAP doc that was moved to a new location
  API: Remove `DELETE projects/:id/deploy_keys/:key_id/disable`
  Download snippets with LF line-endings by default
  utilize pre-minified Vue in production since no CJS distribution is available
  Prevent project team from being truncated too early during project destruction
  loading icon sometimes toggled alongside MR pipeline contents
  fix failed spec because haml_lint
  fix incorrect sidekiq concurrency count in admin background page
  exclude rpc_pipefs from system disc info
  Fix wrong line ending [ci-skip]
  fix overlooked window binding in spec files
  remove imports loader
  replace implicit this == window with explicit binding
  Todo done clicking is kind of unusable.
  ...

fix incorrect sidekiq concurrency count in admin background page

Closes #19862

See merge request !9359