test(e2e): update k8s UPGRADE_FROM to 1.33 (#627)

this was incorrectly set to 1.34

Author: thunderboltsid

test/e2e/config/nutanix.yaml

@@ -147,7 +147,7 @@ variables:
   EXP_CLUSTER_TOPOLOGY: "true"
   DOCKER_POD_CIDRS: "192.168.0.0/16"
   KUBERNETES_VERSION_UPGRADE_TO: "v1.34.0"
-  KUBERNETES_VERSION_UPGRADE_FROM: "v1.34.0"
+  KUBERNETES_VERSION_UPGRADE_FROM: "v1.33.0"
   ETCD_VERSION_UPGRADE_TO: "3.6.4-0"
   COREDNS_VERSION_UPGRADE_TO: "v1.12.1"
   KUBETEST_CONFIGURATION: "./data/kubetest/conformance.yaml"