CE upstream

	✅both modified:   app/assets/stylesheets/framework/dropdowns.scss
	✅both modified:   app/models/issue.rb
	✅both modified:   db/schema.rb
	✅both modified:   doc/user/project/merge_requests/index.md
	✅deleted by them: lib/ci/api/builds.rb
	✅deleted by them: lib/ci/api/helpers.rb
	✅both modified:   package.json
	✅both modified:   spec/lib/gitlab/git_access_spec.rb
	✅deleted by them: spec/requests/ci/api/builds_spec.rb