Fix weekly Redis HLL keys for 13-5-stable-ee

What does this MR do?

Related to https://gitlab.com/gitlab-org/gitlab/-/issues/296529#note_477584396

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• [-] Style guides
• [-] Database guides
• [-] Separation of EE specific content