Ensure we're using latest object-assign (#6681)

This picks up the change to feature test against order bugs.
(cherry picked from commit 468901c336)

package.json

@@ -50,7 +50,7 @@
     "gzip-js": "~0.3.2",
     "jest-cli": "^0.9.0",
     "loose-envify": "^1.1.0",
-    "object-assign": "^4.0.1",
+    "object-assign": "^4.1.0",
     "platform": "^1.1.0",
     "run-sequence": "^1.1.4",
     "through2": "^2.0.0",

packages/react/package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "fbjs": "^0.8.0",
     "loose-envify": "^1.1.0",
-    "object-assign": "^4.0.1"
+    "object-assign": "^4.1.0"
   },
   "browserify": {
     "transform": [