Update hashicorp/google requirement from >= 5.9.0, < 6 to >= 5.9.0, < 7

Updates the requirements on [hashicorp/google](https://github.com/hashicorp/terraform-provider-google) to permit the latest version.
- [Release notes](https://github.com/hashicorp/terraform-provider-google/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-google/blob/v6.0.1/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-google@v5.9.0...v6.0.1)

---
updated-dependencies:
- dependency-name: hashicorp/google
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

examples/complete-example/versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = ">= 5.9.0, < 6"
+      version = ">= 5.9.0, < 7"
     }
     google-beta = {
       source  = "hashicorp/google-beta"

versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = ">= 5.9.0, < 6"
+      version = ">= 5.9.0, < 7"
     }
     google-beta = {
       source  = "hashicorp/google-beta"