Bump github-runners-vm-templates::cloud-foundation-fabric in /gcp

Bumps [github-runners-vm-templates::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: github-runners-vm-templates::github::GoogleCloudPlatform/cloud-foundation-fabric::v53.0.0
  dependency-version: 55.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gcp/compute-vm.tf

@@ -7,7 +7,7 @@ locals {
 # Create instance templates for each GitHub Actions runner type
 # https://github.com/GoogleCloudPlatform/cloud-foundation-fabric/blob/v53.0.0/modules/compute-vm/README.md
 module "github-runners-vm-templates" {
-  source   = "git::https://github.com/GoogleCloudPlatform/cloud-foundation-fabric//modules/compute-vm?ref=v53.0.0"
+  source   = "git::https://github.com/GoogleCloudPlatform/cloud-foundation-fabric//modules/compute-vm?ref=v55.3.0"
   for_each = local.github_runners_types_map
 
   project_id = module.project.project_id