Update React to latest

Author: markerikson

package-lock.json

@@ -74,8 +74,8 @@
     "jest-dom": "^3.1.2",
     "npm-run": "^5.0.1",
     "prettier": "^1.16.4",
-    "react": "^16.8.2",
-    "react-dom": "^16.8.2",
+    "react": "^16.8.4",
+    "react-dom": "^16.8.4",
     "react-testing-library": "^5.9.0",
     "redux": "^4.0.1",
     "rimraf": "^2.6.3",

package.json

@@ -2,8 +2,8 @@
   "private": true,
   "devDependencies": {
     "create-react-class": "^15.6.3",
-    "react": "16.8",
-    "react-dom": "16.8"
+    "react": "^16.8.4",
+    "react-dom": "^16.8.4"
   },
   "dependencies": {
     "jest-dom": "^3.1.2",