Migrate jobs in object_storage_upload queue

What does this MR do?

object_storage_upload queue is deprecated and not being used in the recent release, this MR moves any potential remaining jobs to the existing (compatible) object_storage:object_storage_background_move queue.

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• API support added
• Tests added for this feature/bug
• Conform by the code review guidelines
  • Has been reviewed by a Backend maintainer
  • Has been reviewed by a Database specialist
• Conform by the merge request performance guides
• Conform by the style guides
• If you have multiple commits, please combine them into a few logically organized commits by squashing them
• End-to-end tests pass (package-and-qa manual pipeline job)

What are the relevant issue numbers?

Closes gitlab-ee#4811