Update package.json (#773)

Author: StephenHodgson

package.json

@@ -10,7 +10,7 @@
     "Mixed Reality",
     "DI"
   ],
-  "version": "0.2.3",
+  "version": "0.2.4",
   "unity": "2019.4",
   "license": "MIT",
   "author": "XRTK Team (https://github.com/XRTK)",
@@ -22,4 +22,4 @@
     "com.unity.xr.legacyinputhelpers": "2.1.7"
   },
   "unityRelease": "17f1"
-}
+}