Upgrade KinD to v0.20.0 and nodes to v1.26.6

Author: astefanutti

Diff for: hack/e2e-kind-config.yaml

@@ -5,9 +5,9 @@ apiVersion: kind.x-k8s.io/v1alpha4
 nodes:
   # the control plane node config
   - role: control-plane
-    # kubernetes version 1.20.7 from kind v0.11.0
-    image: kindest/node:v1.20.7@sha256:e645428988191fc824529fd0bb5c94244c12401cf5f5ea3bd875eb0a787f0fe9
+    # kubernetes version 1.26.6 from kind v0.20.0
+    image: kindest/node:v1.26.6@sha256:6e2d8b28a5b601defe327b98bd1c2d1930b49e5d8c512e1895099e4504007adb
   # the worker
   - role: worker
-    # kubernetes version 1.20.7 from kind v0.11.0
-    image: kindest/node:v1.20.7@sha256:e645428988191fc824529fd0bb5c94244c12401cf5f5ea3bd875eb0a787f0fe9
+    # kubernetes version 1.26.6 from kind v0.20.0
+    image: kindest/node:v1.26.6@sha256:6e2d8b28a5b601defe327b98bd1c2d1930b49e5d8c512e1895099e4504007adb

Diff for: hack/run-e2e-kind.sh

@@ -77,9 +77,9 @@ function update_test_host {
   which kind >/dev/null 2>&1
   if [ $? -ne 0 ] 
   then
-    # Download kind binary (0.18.0)
+    # Download kind binary (0.20.0)
     echo "Downloading and installing kind...."
-    sudo curl -o /usr/local/bin/kind -L https://github.com/kubernetes-sigs/kind/releases/download/v0.18.0/kind-linux-${arch} && \
+    sudo curl -o /usr/local/bin/kind -L https://github.com/kubernetes-sigs/kind/releases/download/v0.20.0/kind-linux-${arch} && \
     sudo chmod +x /usr/local/bin/kind  
     [ $? -ne 0 ] && echo "Failed to download kind" && exit 1  
     echo "Kind was sucessfully installed."