Bump service-account-cloud-build-github-runners::cloud-foundation-fabric

Bumps [service-account-cloud-build-github-runners::cloud-foundation-fabric](https://github.com/GoogleCloudPlatform/cloud-foundation-fabric) from 53.0.0 to 55.3.0.
- [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...v55.3.0)

---
updated-dependencies:
- dependency-name: service-account-cloud-build-github-runners::github::GoogleCloudPlatform/cloud-foundation-fabric::v53.0.0
  dependency-version: 55.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

gcp/iam-service-accounts.tf

@@ -52,7 +52,7 @@ resource "time_sleep" "wait_for_service_account_cloud_run" {
 
 # Service Account for Cloud Build (Image Creation)
 module "service-account-cloud-build-github-runners" {
-  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=v55.3.0"
   project_id   = module.project.project_id
   name         = "cloud-build-github-runners"
   display_name = "Cloud Build - Create images (Terraform managed)"