chore(package): update @babel/preset-env to version 7.9.0

Closes #1502

Author: greenkeeper[bot]

package.json

@@ -77,7 +77,7 @@
     "@babel/plugin-proposal-decorators": "7.8.3",
     "@babel/plugin-transform-regenerator": "7.8.7",
     "@babel/plugin-transform-runtime": "7.9.0",
-    "@babel/preset-env": "7.8.7",
+    "@babel/preset-env": "7.9.0",
     "@babel/preset-react": "7.8.3",
     "babel-eslint": "10.1.0",
     "babel-loader": "8.1.0",