Merge branch 'update-check-assignees-count' into 'master'

Resolve OS X autoloading issues with validators

See merge request gitlab-org/gitlab!28804

ee/lib/ee/api/validations.rb

+# frozen_string_literal: true
+
+module EE
+  module API
+    module Validations
+      # This empty module is needed to resolve Mac OS X flakey autoloading issues as seen in
+      # https://gitlab.com/gitlab-org/gitlab/-/merge_requests/28804
+    end
+  end
+end