fix: prevent postgres from mutating migration history

Author: sweatybridge

migrations/db/migrations/20240319072844_lock_down_postgres_access_to_auth_and_storage.sql

@@ -0,0 +1,10 @@
+-- migrate:up
+revoke supabase_auth_admin from postgres;
+revoke all on table auth.schema_migrations from postgres;
+grant select on table auth.schema_migrations to postgres;
+
+revoke supabase_storage_admin from postgres;
+revoke all on table storage.migrations from postgres;
+grant select on table storage.migrations to postgres;
+
+-- migrate:down