fix: add onDelete set null to reviewedBy FK

drizzle/0020_flaky_lilith.sql

@@ -0,0 +1,3 @@
+ALTER TABLE "community_suggestions" DROP CONSTRAINT "community_suggestions_reviewed_by_user_id_fk";
+--> statement-breakpoint
+ALTER TABLE "community_suggestions" ADD CONSTRAINT "community_suggestions_reviewed_by_user_id_fk" FOREIGN KEY ("reviewed_by") REFERENCES "public"."user"("id") ON DELETE set null ON UPDATE no action;