Fix the name of the protected pending builds partial index

db/structure.sql

@@ -22800,12 +22800,12 @@ CREATE INDEX index_ci_minutes_additional_packs_on_namespace_id_purchase_xid ON c
 
 CREATE UNIQUE INDEX index_ci_namespace_monthly_usages_on_namespace_id_and_date ON ci_namespace_monthly_usages USING btree (namespace_id, date);
 
+CREATE INDEX index_ci_pending_builds_id_on_protected_partial ON ci_pending_builds USING btree (id) WHERE (protected = true);
+
 CREATE UNIQUE INDEX index_ci_pending_builds_on_build_id ON ci_pending_builds USING btree (build_id);
 
 CREATE INDEX index_ci_pending_builds_on_project_id ON ci_pending_builds USING btree (project_id);
 
-CREATE INDEX index_ci_pending_builds_on_protected ON ci_pending_builds USING btree (protected);
-
 CREATE INDEX index_ci_pipeline_artifacts_failed_verification ON ci_pipeline_artifacts USING btree (verification_retry_at NULLS FIRST) WHERE (verification_state = 3);
 
 CREATE INDEX index_ci_pipeline_artifacts_needs_verification ON ci_pipeline_artifacts USING btree (verification_state) WHERE ((verification_state = 0) OR (verification_state = 3));