package/xmrig: bump version to 6.21.3

Changelog: https://github.com/xmrig/xmrig/blob/master/CHANGELOG.md

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
(cherry picked from commit cd83b50bdca87c74dfd4a4860de52eb645b76394)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/xmrig/xmrig.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  68b4be51e99687bad15d5bf4ac9eed79a080ba89141f7363457a957ce9304e4d  xmrig-6.21.2.tar.gz
+sha256  5d76fb19190956c564b405119315bc93db4ed8062b251d5e96bed70c5fa8033c  xmrig-6.21.3.tar.gz
 sha256  589ed823e9a84c56feb95ac58e7cf384626b9cbf4fda2a907bc36e103de1bad2  LICENSE

package/xmrig/xmrig.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-XMRIG_VERSION = 6.21.2
+XMRIG_VERSION = 6.21.3
 XMRIG_SITE = $(call github,xmrig,xmrig,v$(XMRIG_VERSION))
 XMRIG_LICENSE = GPL-3.0+
 XMRIG_LICENSE_FILES = LICENSE