fix(deps)!: Update Terraform GoogleCloudPlatform/lb-http/google to v12

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
GoogleCloudPlatform/lb-http/google (source)	module	major	~> 11.0 -> ~> 12.0

---

Release Notes

terraform-google-modules/terraform-google-lb-http (GoogleCloudPlatform/lb-http/google)

v12.0.0

Compare Source

⚠ BREAKING CHANGES

• TPG >=6.0: added iap.enabled for v6 upgrade (#​453)

Features

• Add creating serverless negs inside module/serverless-negs itself (#​438) (ec0b73b)
• TPG >=6.0: added iap.enabled for v6 upgrade (#​453) (c8db02c)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.