Feat: change cri-o default runtime to crun

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

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

@@ -40,10 +40,10 @@ crio_required_version: "{{ kube_version | regex_replace('^v(?P<major>\\d+).(?P<m
 
 # The crio_runtimes variable defines a list of OCI compatible runtimes.
 crio_runtimes:
-  - name: runc
-    path: "{{ crio_runtime_bin_dir }}/runc"
+  - name: crun
+    path: "{{ crio_runtime_bin_dir }}/crun"
     type: oci
-    root: /run/runc
+    root: /run/crun
 
 # Kata Containers is an OCI runtime, where containers are run inside lightweight
 # VMs. Kata provides additional isolation towards the host, minimizing the host attack
@@ -56,6 +56,12 @@ kata_runtimes:
     root: /run/kata-containers
     privileged_without_host_devices: true
 
+runc_runtime:
+  name: runc
+  path: "{{ crio_runtime_bin_dir }}/runc"
+  type: oci
+  root: /run/runc
+
 # crun is a fast and low-memory footprint OCI Container Runtime fully written in C.
 crun_runtime:
   name: crun