Merge branch 'ci_partitions_exempt_20240724' into 'master'

CI_partitions exempt from db sharding

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/160646



Merged-by: Alper Akgun <aakgun@gitlab.com>
Approved-by: Alper Akgun <aakgun@gitlab.com>
Reviewed-by: Terri Chu <tchu@gitlab.com>
Co-authored-by: Mark Nuzzo <mnuzzo@gitlab.com>

db/docs/ci_partitions.yml

@@ -8,4 +8,4 @@ description: Database partitioning metadata for CI tables
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/96856
 milestone: '15.4'
 gitlab_schema: gitlab_ci
-sharding_key_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/458492
+exempt_from_sharding: true  # to be leveraged via Org Mover