fix: Updated utils version in event processor package (optimizely#538)

Summary:

Updated utils version to 0.4.0

Test plan:

All Existing tests should pass

Author: zashraf1985

packages/event-processor/package-lock.json

@@ -40,7 +40,7 @@
   },
   "dependencies": {
     "@optimizely/js-sdk-logging": "^0.1.0",
-    "@optimizely/js-sdk-utils": "0.2.0"
+    "@optimizely/js-sdk-utils": "^0.4.0"
   },
   "devDependencies": {
     "@react-native-community/netinfo": "^5.9.4",