build(deps): bump hashicorp/google from 4.83.0 to 4.84.0 in /gcp

Bumps [hashicorp/google](https://github.com/hashicorp/terraform-provider-google) from 4.83.0 to 4.84.0.
- [Release notes](https://github.com/hashicorp/terraform-provider-google/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-google/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-google@v4.83.0...v4.84.0)

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

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

Author: dependabot[bot]

gcp/.terraform.lock.hcl

@@ -3,7 +3,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~> 4.83.0"
+      version = "~> 4.84.0"
     }
     google-beta = {
       source  = "hashicorp/google-beta"