Add bail logic to the introspection-polling

[JoviDeCroock]

Currently we poll the introspection and every second we bust all caches, let's add some hash or other way of identifying that this introspections stayed the same to avoid busing too many TS caches https://github.com/0no-co/GraphQLSP/blob/main/packages/graphqlsp/src/graphql/getSchema.ts#L196