chore: Update utils, event-processor and datafile-manager versions (#541)

Summary:

Update versions of utils, event-processor, datafile-manager in optimizely-sdk

Test plan:

All existing unit tests and FSC tests should pass.

Author: zashraf1985

packages/optimizely-sdk/package-lock.json

@@ -41,10 +41,10 @@
   },
   "homepage": "https://github.com/optimizely/javascript-sdk/tree/master/packages/optimizely-sdk",
   "dependencies": {
-    "@optimizely/js-sdk-datafile-manager": "^0.6.0",
-    "@optimizely/js-sdk-event-processor": "^0.5.1",
+    "@optimizely/js-sdk-datafile-manager": "^0.7.0",
+    "@optimizely/js-sdk-event-processor": "^0.6.0",
     "@optimizely/js-sdk-logging": "^0.1.0",
-    "@optimizely/js-sdk-utils": "^0.2.0",
+    "@optimizely/js-sdk-utils": "^0.4.0",
     "json-schema": "^0.2.3",
     "murmurhash": "0.0.2"
   },