🐛 Fix bad method name

Related to:

- https://github.com/samvera/hyku/pull/2023/files
- scientist-softserv/atla-hyku#198

app/controllers/hyrax/my/works_controller_decorator.rb

@@ -6,7 +6,7 @@
 module Hyrax
   module My
     module WorksControllerDecorator
-      def collection_service
+      def collections_service
         cloned = clone
         cloned.params = {}
         Hyrax::CollectionsService.new(cloned)