package/stella: bump to version 6.0.2

Update hash of Copyright due to bump in year:
https://github.com/stella-emu/stella/commit/d8831d3b7e1ec8c5d24a75b6e858eeed03c3132b

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/stella/stella.hash

@@ -1,4 +1,4 @@
 # Locally computed:
-sha256 d611f98bb35ed9eacfb63826b12b4e8b67b874a2a87019d4bdaf1e7f4724c40d  stella-6.0.1-src.tar.xz
-sha256 c946a9ee632ee40111bad6e81c84b3e0bc1e49183b7a809f05d4d371f5f587bb  Copyright.txt
+sha256 bcbd82294f97d00457fdb727e9b08ff73b685dc7f77704cea1eceb58d8967387  stella-6.0.2-src.tar.xz
+sha256 062e708b8b88ea911b5c08000f1c4a5588235aa0c303bc893b5d92fb45cafd04  Copyright.txt
 sha256 58530d09b6fcb91ae27071be0081af90e6c2d7fdf991d34a29e234a2a5e75455  License.txt

package/stella/stella.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-STELLA_VERSION = 6.0.1
+STELLA_VERSION = 6.0.2
 STELLA_SOURCE = stella-$(STELLA_VERSION)-src.tar.xz
 STELLA_SITE = https://github.com/stella-emu/stella/releases/download/$(STELLA_VERSION)
 STELLA_LICENSE = GPL-2.0+