chore(package): update @babel/preset-react to version 7.8.0

Closes #27

Author: greenkeeper[bot]

package.json

@@ -37,7 +37,7 @@
   "devDependencies": {
     "@babel/core": "^7.8.0",
     "@babel/preset-env": "^7.8.0",
-    "@babel/preset-react": "7.0.0",
+    "@babel/preset-react": "7.8.0",
     "@bigtest/interactor": "^0.9.1",
     "@bigtest/react": "^0.1.2",
     "babel-core": "7.0.0-bridge.0",