Bump react-router-dom from 6.23.0 to 7.9.4 in /frontend

Bumps [react-router-dom](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom) from 6.23.0 to 7.9.4. - [Release notes](https://github.com/remix-run/react-router/releases) - [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router-dom/CHANGELOG.md) - [Commits](https://github.com/remix-run/react-router/commits/react-router-dom@7.9.4/packages/react-router-dom) --- updated-dependencies: - dependency-name: react-router-dom dependency-version: 7.9.4 dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

frontend/package.json

@@ -29,7 +29,7 @@
  "react-hot-toast": "2.4.1",
  "react-is": "18.2.0",
  "react-multi-select-component": "4.3.4",
- "react-router-dom": "6.23.0",
+ "react-router-dom": "7.9.4",
  "sass": "1.66.1",
  "styled-components": "6.1.8",
  "use-debounce": "10.0.0",