Merge pull request scratchfoundation#84 from LLK/dependabot/npm_and_yarn/react-dom-16.2.1

Bump react-dom from 16.2.0 to 16.2.1

Author: cwillisf

package-lock.json

@@ -50,7 +50,7 @@
     "mkdirp": "^0.5.1",
     "nets": "^3.2.0",
     "react": "16.2.0",
-    "react-dom": "16.2.0",
+    "react-dom": "16.2.1",
     "react-intl": "2.4.0",
     "react-redux": "5.0.7",
     "redux": "3.7.2",