Update Kubernetes version for PowerVS e2e (#1046)

Author: Amulyam24

scripts/ci-e2e.sh

@@ -105,7 +105,7 @@ init_network_powervs(){
 prerequisites_powervs(){
     # Assigning PowerVS variables
     export IBMPOWERVS_SSHKEY_NAME=${IBMPOWERVS_SSHKEY_NAME:-"powercloud-bot-key"}
-    export IBMPOWERVS_IMAGE_NAME=${IBMPOWERVS_IMAGE_NAME:-"capibm-powervs-centos-streams8-1-24-2"}
+    export IBMPOWERVS_IMAGE_NAME=${IBMPOWERVS_IMAGE_NAME:-"capibm-powervs-centos-streams8-1-25-1"}
     export IBMPOWERVS_SERVICE_INSTANCE_ID=${BOSKOS_RESOURCE_ID:-"d53da3bf-1f4a-42fa-9735-acf16b1a05cd"}
     export IBMPOWERVS_NETWORK_NAME="capi-net-$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | head --bytes 5)"
     # Setting controller loglevel to allow debug logs from the PowerVS client

test/e2e/config/ibmcloud-e2e-powervs.yaml

@@ -42,7 +42,7 @@ providers:
         targetName: "cluster-template-md-remediation.yaml"
 
 variables:
-  KUBERNETES_VERSION: "${KUBERNETES_VERSION:-v1.24.2}"
+  KUBERNETES_VERSION: "${KUBERNETES_VERSION:-v1.25.1}"
   # Below variable should be set based on the targeted environment
   SERVICE_ENDPOINT: "${SERVICE_ENDPOINT:-}"
   # Cluster Addons