Use npx instead of global packages

Author: kefir500

scripts/macos/packages/dmg/build.dmg.command

@@ -8,4 +8,4 @@ source ../../environment.sh
 # Package
 
 rm "apk-editor-studio_$VERSION.dmg"
-appdmg "appdmg/config.json" "apk-editor-studio_macos_$VERSION.dmg" || { echo "Could not create DMG."; exit 1; }
+npx appdmg "appdmg/config.json" "apk-editor-studio_macos_$VERSION.dmg" || { echo "Could not create DMG."; exit 1; }