feat(system-upgrades): Add automatic reboots for Fedora

infrastructure/system-upgrades/fedora.yaml

@@ -10,7 +10,11 @@ stringData:
     #!/bin/sh
     set -e
     set -x
+    dnf install -y dnf-utils
     dnf upgrade -y --best
+    if needs-restarting; then
+      systemctl reboot
+    fi
 ---
 apiVersion: upgrade.cattle.io/v1
 kind: Plan