Bump @babel/preset-react from 7.0.0 to 7.9.4

Bumps [@babel/preset-react](https://github.com/babel/babel) from 7.0.0 to 7.9.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.0.0...v7.9.4)

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package.json

@@ -27,7 +27,7 @@
     "@babel/core": "^7.5.0",
     "@babel/plugin-proposal-class-properties": "^7.8.3",
     "@babel/preset-env": "^7.5.0",
-    "@babel/preset-react": "^7.0.0",
+    "@babel/preset-react": "^7.9.4",
     "@babel/preset-typescript": "^7.3.3",
     "@types/react": "^16.8.23",
     "@typescript-eslint/eslint-plugin": "^2.3.2",