Bump VPC CI machine image to k8s v1.32.3 (#2388)

Author: Amulyam24

docs/book/src/machine-images/vpc.md

@@ -3,11 +3,13 @@
 
 | Region   | Bucket           | Object                                                   | Kubernetes Version |
 |----------|------------------|----------------------------------------------------------|--------------------|
+| us-south | power-oss-bucket | [capibm-vpc-ubuntu-2404-kube-v1-32-3.qcow2][kube-1-32-3] | 1.32.3             |
 | us-south | power-oss-bucket | [capibm-vpc-ubuntu-2204-kube-v1-31-4.qcow2][kube-1-31-4] | 1.31.4             |
 | us-south | power-oss-bucket | [capibm-vpc-ubuntu-2204-kube-v1-30-4.qcow2][kube-1-30-4] | 1.30.4             |
 
 Note: These images are built using the [image-builder][image-builder] tool and more information can be found [here](../developer/build-images.md#vpc)
 
+[kube-1-32-3]: https://power-oss-bucket.s3.us-south.cloud-object-storage.appdomain.cloud/ubuntu-2404-kube-v1.32.3.qcow2
 [kube-1-31-4]: https://power-oss-bucket.s3.us-south.cloud-object-storage.appdomain.cloud/capibm-vpc-ubuntu-2204-kube-v1-31-4.qcow2
 [kube-1-30-4]: https://power-oss-bucket.s3.us-south.cloud-object-storage.appdomain.cloud/capibm-vpc-ubuntu-2204-kube-v1-30-4.qcow2
 

scripts/ci-e2e.sh

@@ -139,7 +139,7 @@ prerequisites_vpc(){
     export IBMVPC_ZONE="${IBMVPC_REGION}-1"
     export IBMVPC_RESOURCEGROUP=${BOSKOS_RESOURCE_GROUP:-"fa5405a58226402f9a5818cb9b8a5a8a"}
     export IBMVPC_NAME=${BOSKOS_RESOURCE_NAME:-"capi-vpc-e2e"}
-    export IBMVPC_IMAGE_NAME=${IBMVPC_IMAGE_NAME:-"capibm-vpc-ubuntu-2204-kube-v1-31-4"}
+    export IBMVPC_IMAGE_NAME=${IBMVPC_IMAGE_NAME:-"capibm-vpc-ubuntu-2404-kube-v1-32-3"}
     export IBMVPC_PROFILE=${IBMVPC_PROFILE:-"bx2-4x16"}
     export IBMVPC_SSHKEY_NAME=${IBMVPC_SSHKEY_NAME:-"vpc-cloud-bot-key"}
 }

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

@@ -42,7 +42,7 @@ providers:
         targetName: "cluster-template-vpc.yaml"
 
 variables:
-  KUBERNETES_VERSION: "${KUBERNETES_VERSION:-v1.31.4}"
+  KUBERNETES_VERSION: "${KUBERNETES_VERSION:-v1.32.3}"
   # Below variable should be set based on the targeted environment
   SERVICE_ENDPOINT: "${SERVICE_ENDPOINT:-}"
   # Cluster Addons