build(deps): update hashicorp/google requirement from ~> 6.45.0 to ~> 6.48.0 (#25)

Updates the requirements on [hashicorp/google](https://github.com/hashicorp/terraform-provider-google) to permit the latest version.
- [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@v6.45.0...v6.48.0)

---
updated-dependencies:
- dependency-name: hashicorp/google
  dependency-version: 6.48.0
  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

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~> 6.45.0"
+      version = "~> 6.48.0"
     }
     google-beta = {
       source  = "hashicorp/google-beta"