Merge pull request #45424 from thaJeztah/20.10_update_containerd_1.6.20

[20.10] update containerd binary to v1.6.20

hack/dockerfile/install/containerd.installer

@@ -15,7 +15,7 @@ set -e
 # the binary version you may also need to update the vendor version to pick up
 # bug fixes or new APIs, however, usually the Go packages are built from a
 # commit from the master branch.
-: "${CONTAINERD_VERSION:=v1.6.16}"
+: "${CONTAINERD_VERSION:=v1.6.20}"
 
 install_containerd() (
 	echo "Install containerd version $CONTAINERD_VERSION"