chore(deps): update hashicorp/google-beta requirement from >= 4, < 7 to >= 4, < 8 (#39)

Updates the requirements on [hashicorp/google-beta](https://github.com/hashicorp/terraform-provider-google-beta) to permit the latest version.
- [Release notes](https://github.com/hashicorp/terraform-provider-google-beta/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-google-beta/blob/v7.1.1/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-google-beta@v4.0.0...v7.1.1)

---
updated-dependencies:
- dependency-name: hashicorp/google-beta
  dependency-version: 7.1.1
  dependency-type: direct:production
...

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Author: dependabot[bot]

versions.tf

@@ -7,7 +7,7 @@ terraform {
     }
     google-beta = {
       source  = "hashicorp/google-beta"
-      version = ">= 4, < 7"
+      version = ">= 4, < 8"
     }
   }