feat: make kubernetes owner parametrized (#8952)

* feat: make kubernetes owner parametrized

* docs: update hardening guide with configuration for CIS 1.1.19

* fix: set etcd data directory permissions to be compliant to CIS 1.1.12

roles/container-engine/cri-dockerd/molecule/default/prepare.yml

@@ -35,7 +35,7 @@
       file:
         path: /etc/cni/net.d
         state: directory
-        owner: kube
+        owner: "{{ kube_owner }}"
         mode: 0755
     - name: Setup CNI
       copy:

roles/container-engine/kata-containers/molecule/default/prepare.yml

@@ -36,7 +36,7 @@
       file:
         path: /etc/cni/net.d
         state: directory
-        owner: kube
+        owner: "{{ kube_owner }}"
         mode: 0755
     - name: Setup CNI
       copy: