Add crun support (#6864)

Signed-off-by: Victor Morales <v.morales@samsung.com>

roles/container-engine/cri-o/defaults/main.yml

@@ -54,6 +54,13 @@ kata_runtimes:
     type: oci
     root: /run/kata-containers
 
+# crun is a fast and low-memory footprint OCI Container Runtime fully written in C.
+crun_runtime:
+  name: crun
+  path: /usr/bin/crun
+  type: oci
+  root: /run/crun
+
 # When this is true, CRI-O package repositories are added. Set this to false when using an
 # environment with preconfigured CRI-O package repositories.
 crio_add_repos: true