Fixed the package version.

Author: psuong

package.json

@@ -2,7 +2,7 @@
   "name":        "com.initialprefabs.uguidots",
   "author":      "Porrith Suong / initialPrefabs",
   "displayName": "UGUIDots",
-  "version":     "0.3.3",
+  "version":     "0.3.4",
   "unity":       "2020.1",
   "description": "Low level library to augment Unity's UI and make it DOTS compliant",
   "dependencies" : {