Move react to major version lock

Author: k2snowman69

package.json

@@ -77,7 +77,7 @@
     "lint-staged": "^7.2.0",
     "node-sass": "^4.9.2",
     "prettier": "^1.14.0",
-    "react": "16.4.1",
+    "react": "^16.4.1",
     "react-dom": "^16.4.1",
     "react-popper": "^1.0.0",
     "react-resize-detector": "^3.1.0",