package/containerd: bump version to v1.7.20

https://github.com/containerd/containerd/releases/tag/v1.7.20

Signed-off-by: Christian Stewart <christian@aperture.us>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/containerd/containerd.hash

@@ -1,3 +1,3 @@
 # Computed locally
-sha256  91685cebd50e3f353a402adadf61e2a6aeda3f63754fa0fcc978a043e00acac4  containerd-1.7.18-go2.tar.gz
+sha256  c4268561e514a2e8322bc8cdd39113d5e164fb31c2cef76f479d683395ea9bd6  containerd-1.7.20-go2.tar.gz
 sha256  4bbe3b885e8cd1907ab4cf9a41e862e74e24b5422297a4f2fe524e6a30ada2b4  LICENSE

package/containerd/containerd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-CONTAINERD_VERSION = 1.7.18
+CONTAINERD_VERSION = 1.7.20
 CONTAINERD_SITE = $(call github,containerd,containerd,v$(CONTAINERD_VERSION))
 CONTAINERD_LICENSE = Apache-2.0
 CONTAINERD_LICENSE_FILES = LICENSE