fixup! ci: Specify Nutanix image in e2e config

This can still be overridden by environment variables, but
having a default in here makes it easier to use.

Author: jimmidyson

.github/workflows/e2e.yml

@@ -82,8 +82,8 @@ jobs:
           NUTANIX_INSECURE: false
           NUTANIX_PRISM_ELEMENT_CLUSTER_NAME: ${{ vars.NUTANIX_PRISM_ELEMENT_CLUSTER_NAME }}
           NUTANIX_SUBNET_NAME: ${{ vars.NUTANIX_SUBNET_NAME }}
-          NUTANIX_MACHINE_TEMPLATE_IMAGE_NAME: ${{ vars.NUTANIX_MACHINE_TEMPLATE_IMAGE_NAME }}
           NUTANIX_STORAGE_CONTAINER_NAME: ${{ vars.NUTANIX_STORAGE_CONTAINER_NAME }}
+          NUTANIX_MACHINE_TEMPLATE_IMAGE_NAME: nkp-rocky-9.4-release-1.29.6-20240716233458
 
       - if: success() || failure() # always run even if the previous step fails
         name: Publish e2e test report

test/e2e/config/caren.yaml

@@ -200,7 +200,7 @@ variables:
   # # Name of the Prism Element cluster.
   # NUTANIX_PRISM_ELEMENT_CLUSTER_NAME: ""
   # # Name of the OS image pre-uploaded in PC.
-  # NUTANIX_MACHINE_TEMPLATE_IMAGE_NAME: ""
+  NUTANIX_MACHINE_TEMPLATE_IMAGE_NAME: nkp-rocky-9.4-1.29.6-20240704044125
   # # Name of the subnet to be assigned to the VMs.
   # NUTANIX_SUBNET_NAME: ""
   # # Name of the storage container to CSI driver