Merge pull request #4409 from Ankitasw/fix-e2e

[E2E] Bump k8s version to v1.26.6 to fix conformance tests

Author: k8s-ci-robot

test/e2e/data/e2e_conf.yaml

@@ -143,8 +143,8 @@ variables:
   # The following Kubernetes versions should be the latest versions with already published kindest/node images.
   # This avoids building node images in the default case which improves the test duration significantly.
   KUBERNETES_VERSION_MANAGEMENT: "v1.27.3"
-  KUBERNETES_VERSION: "v1.26.0"
-  KUBERNETES_VERSION_UPGRADE_TO: "v1.26.0"
+  KUBERNETES_VERSION: "v1.26.6"
+  KUBERNETES_VERSION_UPGRADE_TO: "v1.26.6"
   KUBERNETES_VERSION_UPGRADE_FROM: "v1.25.3"
   # Pre and post 1.23 Kubernetes versions are being used for CSI upgrade tests
   PRE_1_23_KUBERNETES_VERSION: "v1.22.17"
@@ -156,7 +156,7 @@ variables:
   AWS_NODE_MACHINE_TYPE: t3.large
   AWS_MACHINE_TYPE_VCPU_USAGE: 2
   AWS_SSH_KEY_NAME: "cluster-api-provider-aws-sigs-k8s-io"
-  CONFORMANCE_CI_ARTIFACTS_KUBERNETES_VERSION: "v1.26.0"
+  CONFORMANCE_CI_ARTIFACTS_KUBERNETES_VERSION: "v1.26.6"
   CONFORMANCE_WORKER_MACHINE_COUNT: "5"
   CONFORMANCE_CONTROL_PLANE_MACHINE_COUNT: "3"
   ETCD_VERSION_UPGRADE_TO: "3.5.6-0"