build(deps): Bump terraform-google-modules/kubernetes-engine/google

Bumps [terraform-google-modules/kubernetes-engine/google](https://github.com/terraform-google-modules/terraform-google-kubernetes-engine) from 30.2.0 to 31.1.0.
- [Release notes](https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/releases)
- [Changelog](https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/blob/master/CHANGELOG.md)
- [Commits](terraform-google-modules/terraform-google-kubernetes-engine@v30.2.0...v31.1.0)

---
updated-dependencies:
- dependency-name: terraform-google-modules/kubernetes-engine/google
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

examples/complete/main.tf

@@ -72,7 +72,7 @@ module "vpc" {
 
 module "gke" {
   source                            = "terraform-google-modules/kubernetes-engine/google//modules/beta-private-cluster"
-  version                           = "30.2.0"
+  version                           = "31.1.0"
   project_id                        = local.gcp_project_id
   name                              = "${local.name}-cluster"
   region                            = local.region