Rename the include for locality aware multi tenant issue

[katmayb]

This is a follow-up to this PR: https://github.com/cockroachdb/docs/pull/18358

To rename some include files in v24.1 and v24.2.

[github-actions[bot]]

Files changed:

• src/current/_includes/v24.1/backups/locality-aware-multi-tenant.md:
• src/current/v24.1/backup-architecture.md
• src/current/v24.1/take-and-restore-locality-aware-backups.md
• src/current/_includes/v24.2/backups/locality-aware-multi-tenant.md:
• src/current/v24.2/backup-architecture.md
• src/current/v24.2/take-and-restore-locality-aware-backups.md
• src/current/v24.1/backup-architecture.md
• src/current/v24.1/take-and-restore-locality-aware-backups.md
• src/current/v24.2/backup-architecture.md
• src/current/v24.2/take-and-restore-locality-aware-backups.md

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