feat(k3s): Updated to v1.28 (#420)

* feat(k3s): Updated to v1.28.5+k3s1

Author: timothystewart6

inventory/sample/group_vars/all.yml

@@ -1,5 +1,5 @@
 ---
-k3s_version: v1.27.9+k3s1
+k3s_version: v1.28.5+k3s1
 # this is the user that has ssh access to these machines
 ansible_user: ansibleuser
 systemd_dir: /etc/systemd/system