package/balena-engine: bump to version 20.10.21

https://github.com/balena-os/balena-engine/blob/v20.10.21/CHANGELOG.md

Signed-off-by: Christian Stewart <christian@paral.in>
Tested-by: TIAN Yuanhao <tianyuanhao3@163.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/balena-engine/balena-engine.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256  43f4c985b855a4f731a5cdac214f1adf6c4cc2021cbad3f93856009df246d61c  balena-engine-20.10.12.tar.gz
+sha256  4fb38109d133d499de366466a612fb6f523ea99d56fcd69b45dc494a75fbce0f  balena-engine-20.10.21.tar.gz
 sha256  7c87873291f289713ac5df48b1f2010eb6963752bbd6b530416ab99fc37914a8  LICENSE

package/balena-engine/balena-engine.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-BALENA_ENGINE_VERSION = 20.10.12
+BALENA_ENGINE_VERSION = 20.10.21
 BALENA_ENGINE_SITE = $(call github,balena-os,balena-engine,v$(BALENA_ENGINE_VERSION))
 
 BALENA_ENGINE_LICENSE = Apache-2.0