Bump @babel/preset-env from 7.8.4 to 7.9.0 (#1269)

Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.8.4 to 7.9.0.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.8.4...v7.9.0)

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package.json

@@ -75,7 +75,7 @@
   },
   "dependencies": {
     "@babel/polyfill": "^7.8.7",
-    "@babel/preset-env": "^7.8.4",
+    "@babel/preset-env": "^7.9.0",
     "@babel/preset-react": "^7.8.3",
     "autoprefixer": "^9.7.5",
     "babel-core": "^6.26.3",