Bump service-account-cloud-run-github-runners-manager::cloud-foundation-fabric

Bumps [service-account-cloud-run-github-runners-manager::cloud-foundation-fabric](https://github.com/GoogleCloudPlatform/cloud-foundation-fabric) from 53.0.0 to 54.0.0.
- [Release notes](https://github.com/GoogleCloudPlatform/cloud-foundation-fabric/releases)
- [Changelog](https://github.com/GoogleCloudPlatform/cloud-foundation-fabric/blob/master/CHANGELOG.md)
- [Commits](GoogleCloudPlatform/cloud-foundation-fabric@v53.0.0...v54.0.0)

---
updated-dependencies:
- dependency-name: service-account-cloud-run-github-runners-manager::github::GoogleCloudPlatform/cloud-foundation-fabric::v53.0.0
  dependency-version: 54.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

gcp/iam-service-accounts.tf

@@ -29,7 +29,7 @@ resource "time_sleep" "wait_for_service_account_compute_vm" {
 
 # Service Account for the Runners Manager (Cloud Run)
 module "service-account-cloud-run-github-runners-manager" {
-  source       = "git::https://github.com/GoogleCloudPlatform/cloud-foundation-fabric//modules/iam-service-account?ref=v53.0.0"
+  source       = "git::https://github.com/GoogleCloudPlatform/cloud-foundation-fabric//modules/iam-service-account?ref=v54.0.0"
   project_id   = module.project.project_id
   name         = "github-runners-manager"
   display_name = "Cloud Run - GitHub Actions Runners manager (Terraform managed)"