fix version

Signed-off-by: Maxence Lange <maxence@artificial-owl.com>

Author: ArtificialOwl

Makefile

@@ -7,7 +7,7 @@ build_dir=$(CURDIR)/build/artifacts
 source_dir=$(build_dir)/source
 sign_dir=$(build_dir)/sign
 package_name=$(app_name)
-version+=2.6.0-dev.0
+version+=2.6.0
 
 all: appstore