refactor: allows upgrading the google provider to 5.x (#45)

The google v5 provider is out since October 2023 and provides much needed features for us. But we can't upgrade to it because of lacework.

This allows lacework to work with google v5.x

versions.tf

@@ -2,6 +2,6 @@ terraform {
  required_version = ">= 0.14"
 
  required_providers {
- google = ">= 4.4.0, < 5.0.0"
+ google = ">= 4.4.0"
  }
 }