I went to update my GBP yesterday and noticed a new feature that allows you to add descriptions and pricing to your services (see attached screenshot). Honestly not sure if this is that new or not but I just noticed it. Knowing Google, they seem to like businesses that fill out every little detail in their GBP. So I would recommend checking your listed services, add descriptions and pricing (if applicable), then adding any other services you may not have listed yet and do the same for those. If this is actually a new feature, you may even get a leg up on your competition until they notice this as well.