Merge branch 'determine-next-desired-sharding-key-feature-category-feature_flags' into 'master'

Add next desired sharding keys for feature_flags

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/145251



Merged-by: Tiger Watson <twatson@gitlab.com>
Approved-by: Tiger Watson <twatson@gitlab.com>
Co-authored-by: Manoj M J <mmj@gitlab.com>

db/docs/operations_scopes.yml

@@ -7,4 +7,20 @@ feature_categories:
 description: https://docs.gitlab.com/ee/operations/feature_flags.html#feature-flag-strategies
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/24819
 milestone: '12.8'
-gitlab_schema: gitlab_main
+gitlab_schema: gitlab_main_cell
+allow_cross_joins:
+- gitlab_main_clusterwide
+allow_cross_transactions:
+- gitlab_main_clusterwide
+allow_cross_foreign_keys:
+- gitlab_main_clusterwide
+desired_sharding_key:
+  project_id:
+    references: projects
+    backfill_via:
+      parent:
+        foreign_key: strategy_id
+        table: operations_strategies
+        sharding_key: project_id
+        belongs_to: strategy
+    awaiting_backfill_on_parent: true