Use crun instead of runc for podman example

It seems like podman has issues using runc with cgroups v2.

So use crun instead, which is the podman default (with v2).

Signed-off-by: Anders F Björklund <[email protected]>

Author: afbjorklund

examples/podman.yaml

@@ -35,7 +35,7 @@ provision:
       command -v podman >/dev/null 2>&1 && exit 0
       export DEBIAN_FRONTEND=noninteractive
       apt-get update
-      apt-get install -y podman
+      apt-get install -y podman crun
   - mode: user
     script: |
       #!/bin/bash