doc changes for cic release 1.13.15

Author: sreejithgs

deployment/openshift/manifest/cic.yaml

@@ -91,7 +91,7 @@ spec:
       serviceAccount: citrix
       containers:
       - name: cic
-        image: "quay.io/citrix/citrix-k8s-ingress-controller:1.11.3"
+        image: "quay.io/citrix/citrix-k8s-ingress-controller:1.13.15"
         securityContext:
            privileged: true
         env:

deployment/openshift/manifest/cpx_cic_side_car.yaml

@@ -100,7 +100,7 @@ spec:
               name: cpx-volume2
         # Add cic as a sidecar
         - name: cic
-          image: "quay.io/citrix/citrix-k8s-ingress-controller:1.11.3"
+          image: "quay.io/citrix/citrix-k8s-ingress-controller:1.13.15"
           volumeMounts:
           - mountPath: /var/deviceinfo
             name: shared-data