gVisor: initial support for gVisor container runtime (#7661)

* Docker/Containerd: move downloads urls to containerd-common

* gVisor: initial support for gVisor container runtime

roles/container-engine/meta/main.yml

@@ -7,6 +7,14 @@ dependencies:
       - container-engine
       - kata-containers
 
+  - role: container-engine/gvisor
+    when:
+      - gvisor_enabled
+      - container_manager in ['docker', 'containerd']
+    tags:
+      - container-engine
+      - gvisor
+
   - role: container-engine/crun
     when:
       - crun_enabled