[ANSIBLE][BUILD] Update RKE to 1.3.8

RKE upgrades to 1.3.8
Kubernetes upgrades to v1.22.7-rancher1-1
Kubectl upgrades to 1.22.7

Change-Id: Id17ffa1ce9aef08a6b0a8aa771e7f763d5cb9f02
Issue-ID: OOM-2948
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
diff --git a/ansible/group_vars/infrastructure.yml b/ansible/group_vars/infrastructure.yml
index 62c5296..0861be1 100755
--- a/ansible/group_vars/infrastructure.yml
+++ b/ansible/group_vars/infrastructure.yml
@@ -21,7 +21,7 @@
 helm_bin_dir: /usr/local/bin
 helm_version: v3.6.3
 helm3_push_version: 0.9.0
-rke_kubernetes_version: v1.19.14-rancher1-2
+rke_kubernetes_version: v1.22.7-rancher1-1
 vnc_server_image: consol/ubuntu-icewm-vnc:1.4.0
 nexus3_image: sonatype/nexus3:3.15.2
 dns_server_image: andyshinn/dnsmasq:2.76