netchecker: update images to 1.2.2 from Mirantis (#8074)

* netchecker: update images to 1.2.2 from Mirantis which is slightly less ancinet than the l23networks images

* Netchecker: use local etcd instead of kubernetes v1beta1 crds which are no longer suported by kube 1.22+

roles/kubernetes-apps/ansible/templates/netchecker-server-clusterrole.yml.j2

@@ -6,10 +6,4 @@ metadata:
 rules:
   - apiGroups: [""]
     resources: ["pods"]
-    verbs: ["list"]
-  - apiGroups: ["apiextensions.k8s.io"]
-    resources: ["customresourcedefinitions"]
-    verbs: ['*']
-  - apiGroups: ["network-checker.ext"]
-    resources: ["agents"]
-    verbs: ['*']
+    verbs: ["list", "get"]