playbook: debian9: kernel v↑ (4.9.189-3 -> 4.9.228-1)

There are many fixes in between those versions, including security ones:

https://salsa.debian.org/kernel-team/linux/-/raw/stretch/debian/changelog

playbook/roles/vifib-kernel/tasks/main.yml

@@ -5,7 +5,7 @@
     when: ansible_distribution == "Debian" and ansible_distribution_major_version == "9"
 
   - name: Install kernel 4.9 on debian 9.0
-    apt: name=linux-image-4.9.0-11-amd64  state=latest default_release=oldstable-proposed-updates update_cache=no
+    apt: name=linux-image-4.9.0-13-amd64  state=latest default_release=oldstable-proposed-updates update_cache=no
     when: ansible_distribution == "Debian" and ansible_distribution_major_version == "9"
     notify: [ 'Mark to reboot' ]