gha: k8s: Add cloud-hypervisor (runtime-rs) support

This PR adds the Cloud Hypervisor driver, integrated with the runtime-rs,
as part of the kubernetes tests.

Fixes #8559

Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>

.github/workflows/run-k8s-tests-on-garm.yaml

@@ -32,6 +32,7 @@ jobs:
           - dragonball
           - fc #firecracker
           - qemu
+          - cloud-hypervisor
         snapshotter:
           - devmapper
         k8s: