Copy containerd binaries in tgz

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

hack/make/tgz

@@ -22,6 +22,7 @@ for d in "$CROSS/"*/*; do
 
 	mkdir -p "$DEST/build/usr/local/bin"
 	cp -L "$d/$BINARY_FULLNAME" "$DEST/build/usr/local/bin/docker$BINARY_EXTENSION"
+	copy_containerd "$DEST/build/usr/local/bin/"
 
 	tar --numeric-owner --owner 0 -C "$DEST/build" -czf "$TGZ" usr