Bump the terraform group (#1120)

Bumps the terraform group in /terraform/gcp/modules/external_secrets with 2 updates: [hashicorp/google](https://github.com/hashicorp/terraform-provider-google) and [hashicorp/helm](https://github.com/hashicorp/terraform-provider-helm).


Updates `hashicorp/google` from 5.29.1 to 5.31.1
- [Release notes](https://github.com/hashicorp/terraform-provider-google/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-google/blob/v5.31.1/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-google@v5.29.1...v5.31.1)

Updates `hashicorp/helm` from 2.13.1 to 2.13.2
- [Release notes](https://github.com/hashicorp/terraform-provider-helm/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-helm/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-helm@v2.13.1...v2.13.2)

---
updated-dependencies:
- dependency-name: hashicorp/google
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: terraform
- dependency-name: hashicorp/helm
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: terraform
...

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

terraform/gcp/modules/external_secrets/versions.tf

@@ -19,7 +19,7 @@ terraform {
 
   required_providers {
     google = {
-      version = "5.29.1"
+      version = "5.31.1"
       source  = "hashicorp/google"
     }
     kubectl = {
@@ -28,7 +28,7 @@ terraform {
     }
     helm = {
       source  = "hashicorp/helm"
-      version = "2.13.1"
+      version = "2.13.2"
     }
   }
 }