Bump hashicorp/google from 4.66.0 to 4.73.2 in /terraform

Bumps [hashicorp/google](https://github.com/hashicorp/terraform-provider-google) from 4.66.0 to 4.73.2.
- [Release notes](https://github.com/hashicorp/terraform-provider-google/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-google/blob/v4.73.2/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-google@v4.66.0...v4.73.2)

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

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