package/docker-cli: security bump to version 20.10.21

Partial mitigations for CVE-2022-39253 Git vulnerability and other fixes:

https://github.com/moby/moby/releases/tag/v20.10.21

Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit c833234cb4eb46cf95dbc3d4f32e1d2d2dab23b2)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/docker-cli/docker-cli.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  f4398ad858274605f8e4e55d4618b2f5bdff6969a4afa232842bb2417d8a98db  docker-cli-20.10.19.tar.gz
+sha256  f0f62ca1c80e8fd5b9e140ca64ef3e75dc7cf7a28040b3d10b260307128946e8  docker-cli-20.10.21.tar.gz
 sha256  2d81ea060825006fc8f3fe28aa5dc0ffeb80faf325b612c955229157b8c10dc0  LICENSE

package/docker-cli/docker-cli.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-DOCKER_CLI_VERSION = 20.10.19
+DOCKER_CLI_VERSION = 20.10.21
 DOCKER_CLI_SITE = $(call github,docker,cli,v$(DOCKER_CLI_VERSION))
 
 DOCKER_CLI_LICENSE = Apache-2.0