chore(package): update @types/react-dom to version 16.0.7

Closes #64

Author: greenkeeper[bot]

package.json

@@ -16,7 +16,7 @@
     "@types/enzyme": "3.1.9",
     "@types/jest": "22.2.3",
     "@types/react": "16.3.3",
-    "@types/react-dom": "16.0.4",
+    "@types/react-dom": "16.0.7",
     "codecov": "3.0.0",
     "concurrently": "3.5.1",
     "enzyme": "3.3.0",