chore(deps): bump react-scripts from 3.4.0 to 3.4.3

Bumps [react-scripts](https://github.com/facebook/create-react-app/tree/HEAD/packages/react-scripts) from 3.4.0 to 3.4.3.
- [Release notes](https://github.com/facebook/create-react-app/releases)
- [Changelog](https://github.com/facebook/create-react-app/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/create-react-app/commits/HEAD/packages/react-scripts)

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

Author: dependabot-preview[bot]

package.json

@@ -103,7 +103,7 @@
     "react-idle-timer": "^4.2.12",
     "react-modal": "^3.11.2",
     "react-router-dom": "^5.2.0",
-    "react-scripts": "3.4.0",
+    "react-scripts": "3.4.3",
     "rxjs": "^6.5.5",
     "styled-components": "^4.4.1",
     "typescript": "^3.8.3",