docker-containerd: bump to v0.2.4

Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/docker-containerd/docker-containerd.hash

@@ -1,2 +1,2 @@
 # Computed locally
-sha256 5c1bcd8e3b7bc6034e7523b6eca7de974562b7fdc72c440494234ae10a0e545b  docker-containerd-0ac3cd1be170d180b2baed755e8f0da547ceb267.tar.gz
+sha256 34805aef6300fbf37adcf4362a2315fac1ea57a9ceb8b0c7b1a0859cba975428  docker-containerd-v0.2.4.tar.gz

package/docker-containerd/docker-containerd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-DOCKER_CONTAINERD_VERSION = 0ac3cd1be170d180b2baed755e8f0da547ceb267
+DOCKER_CONTAINERD_VERSION = v0.2.4
 DOCKER_CONTAINERD_SITE = $(call github,docker,containerd,$(DOCKER_CONTAINERD_VERSION))
 DOCKER_CONTAINERD_LICENSE = Apache-2.0
 DOCKER_CONTAINERD_LICENSE_FILES = LICENSE.code