update containerd binary to v1.4.1

full diff: https://github.com/containerd/containerd/compare/v1.4.0...v1.4.1

Welcome to the v1.4.1 release of containerd!

The first patch release for `containerd` 1.4 includes a fix for v1 shims hanging
on exit and exec when the log pipe fills up along with other minor changes.

Notable Updates:

* Always consume shim logs to prevent logs in the shim from blocking
* Fix error deleting v2 bundle directory when removing rootfs returns `ErrNotExist`
* Fix metrics monitoring of v2 runtime tasks
* Fix incorrect stat for Windows containers
* Fix devmapper device deletion on rollback
* Update seccomp default profile

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

hack/dockerfile/install/containerd.installer

@@ -4,7 +4,7 @@ set -e
 # containerd is also pinned in vendor.conf. When updating the binary
 # version you may also need to update the vendor version to pick up bug
 # fixes or new APIs.
-: "${CONTAINERD_COMMIT:=09814d48d50816305a8e6c1a4ae3e2bcc4ba725a}" # v1.4.0
+: "${CONTAINERD_COMMIT:=c623d1b36f09f8ef6536a057bd658b3aa8632828}" # v1.4.1
 
 install_containerd() (
 	echo "Install containerd version $CONTAINERD_COMMIT"