Bump @babel/preset-env from 7.10.2 to 7.10.4 (mastodon#14218)

Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.10.2 to 7.10.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.10.4/packages/babel-preset-env)

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package.json

@@ -64,7 +64,7 @@
     "@babel/plugin-proposal-decorators": "^7.10.3",
     "@babel/plugin-transform-react-inline-elements": "^7.10.1",
     "@babel/plugin-transform-runtime": "^7.10.3",
-    "@babel/preset-env": "^7.10.2",
+    "@babel/preset-env": "^7.10.4",
     "@babel/preset-react": "^7.10.1",
     "@babel/runtime": "^7.8.4",
     "@clusterws/cws": "^2.0.0",