Bump hashicorp/google from 7.8.0 to 7.9.0 in /infra/tf (#191)

Bumps [hashicorp/google](https://github.com/hashicorp/terraform-provider-google) from 7.8.0 to 7.9.0.
- [Release notes](https://github.com/hashicorp/terraform-provider-google/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-google/blob/v7.9.0/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-google@v7.8.0...v7.9.0)

---
updated-dependencies:
- dependency-name: hashicorp/google
  dependency-version: 7.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]