Merge pull request #1374 from afbjorklund/k8s-flannel-0.21.2

Bump k8s flannel version from 0.20.2 to 0.21.2

Author: AkihiroSuda

examples/k8s.yaml

@@ -120,7 +120,7 @@ provision:
     EOF
     kubeadm init --config kubeadm-config.yaml
     # Installing a Pod network add-on
-    kubectl apply -f https://raw.githubusercontent.com/flannel-io/flannel/v0.20.2/Documentation/kube-flannel.yml
+    kubectl apply -f https://github.com/flannel-io/flannel/releases/download/v0.21.2/kube-flannel.yml
     # Control plane node isolation
     kubectl taint nodes --all node-role.kubernetes.io/control-plane-
     sed -e "s/${LIMA_CIDATA_SLIRP_IP_ADDRESS:-192.168.5.15}/127.0.0.1/" -i $KUBECONFIG