feat(deps): Update Terraform Google Provider to v6 (major) (#257)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

modules/project_cleanup/versions.tf

@@ -20,7 +20,7 @@ terraform {
 
     google = {
       source  = "hashicorp/google"
-      version = ">= 3.53, < 6"
+      version = ">= 3.53, < 7"
     }
   }
 

test/setup/versions.tf

@@ -19,11 +19,11 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = ">= 3.53, < 6"
+      version = ">= 3.53, < 7"
     }
     google-beta = {
       source  = "hashicorp/google-beta"
-      version = ">= 3.35, < 6"
+      version = ">= 3.35, < 7"
     }
   }
 }

versions.tf

@@ -19,7 +19,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = ">= 4.23, < 6"
+      version = ">= 4.23, < 7"
     }
     random = {
       source  = "hashicorp/random"