Bump @babel/preset-env from 7.8.3 to 7.8.4

Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.8.3 to 7.8.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.8.3...v7.8.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -94,7 +94,7 @@
     "@babel/cli": "^7.8.3",
     "@babel/core": "^7.8.3",
     "@babel/plugin-proposal-object-rest-spread": "^7.8.3",
-    "@babel/preset-env": "^7.8.3",
+    "@babel/preset-env": "^7.8.4",
     "@rollup/plugin-commonjs": "^11.0.1",
     "@rollup/plugin-node-resolve": "^7.0.0",
     "autoprefixer": "^9.7.4",