Add more loose foreign keys for namespaces

We will remove the foreign key in a later MR but for now we can start
with adding the LFK. These have all been determined as safe to be
converted to a loose foreign key in
https://gitlab.com/gitlab-org/gitlab/-/issues/348269 .

lib/gitlab/database/gitlab_loose_foreign_keys.yml

@@ -22,6 +22,18 @@ ci_job_token_project_scope_links:
   - table: users
     column: added_by_id
     on_delete: async_nullify
+ci_daily_build_group_report_results:
+  - table: namespaces
+    column: group_id
+    on_delete: async_delete
+ci_pending_builds:
+  - table: namespaces
+    column: namespace_id
+    on_delete: async_delete
+ci_runner_namespaces:
+  - table: namespaces
+    column: namespace_id
+    on_delete: async_delete
 ci_namespace_mirrors:
   - table: namespaces
     column: namespace_id