chore(package): update @babel/preset-react to version 7.9.4

Closes #1502

Author: greenkeeper[bot]

package.json

@@ -78,7 +78,7 @@
     "@babel/plugin-transform-regenerator": "7.8.7",
     "@babel/plugin-transform-runtime": "7.9.0",
     "@babel/preset-env": "7.9.0",
-    "@babel/preset-react": "7.8.3",
+    "@babel/preset-react": "7.9.4",
     "babel-eslint": "10.1.0",
     "babel-loader": "8.1.0",
     "babel-plugin-transform-object-rest-spread": "6.26.0",