Update @types/react to pull in bivariance hack

Author: sandersn

package.json

@@ -10,7 +10,7 @@
     "@types/enzyme": "^2.7.2",
     "@types/jest": "^18.1.1",
     "@types/node": "^7.0.5",
-    "@types/react": "15.0.14",
+    "@types/react": "^15.6.6",
     "@types/react-dom": "^0.14.22",
     "@types/react-redux": "^4.4.36",
     "enzyme": "^2.7.1",