package/xmrig: bump version to 6.21.0

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

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/xmrig/xmrig.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  86c62eb6db83981b21ac1faac69c28fee2952cbbc207ea7476707d4f1799633f  xmrig-6.20.0.tar.gz
+sha256  4b197c71fa06030216b641b4ea57f7a3d977a17df1b55bd13759d4705dbf5941  xmrig-6.21.0.tar.gz
 sha256  589ed823e9a84c56feb95ac58e7cf384626b9cbf4fda2a907bc36e103de1bad2  LICENSE

package/xmrig/xmrig.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-XMRIG_VERSION = 6.20.0
+XMRIG_VERSION = 6.21.0
 XMRIG_SITE = $(call github,xmrig,xmrig,v$(XMRIG_VERSION))
 XMRIG_LICENSE = GPL-3.0+
 XMRIG_LICENSE_FILES = LICENSE