update required workshopper-adventure version to 6.0.3

Author: hoijui

package.json

@@ -70,7 +70,7 @@
     "through": "^2.3.8",
     "through2": "^2.0.1",
     "through2-map": "^3.0.0",
-    "workshopper-adventure": "^6.0.2",
+    "workshopper-adventure": "^6.0.3",
     "workshopper-exercise": "^3.0.1",
     "workshopper-wrappedexec": "~0.1.1"
   },