build(deps): update hashicorp/google-beta requirement from ~> 7.4.0 to ~> 7.6.0 (#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/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-google-beta@v7.4.0...v7.6.0)

---
updated-dependencies:
- dependency-name: hashicorp/google-beta
  dependency-version: 7.6.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/complete-example/versions.tf

@@ -8,7 +8,7 @@ terraform {
     }
     google-beta = {
       source  = "hashicorp/google-beta"
-      version = "~> 7.4.0"
+      version = "~> 7.6.0"
     }
     kubernetes = {
       source  = "hashicorp/kubernetes"