Bump react-qr-code from 2.0.18 to 2.2.0 in /frontend

Bumps [react-qr-code](https://github.com/rosskhanas/react-qr-code) from 2.0.18 to 2.2.0.
- [Release notes](https://github.com/rosskhanas/react-qr-code/releases)
- [Changelog](https://github.com/rosskhanas/react-qr-code/blob/master/CHANGELOG.md)
- [Commits](rosskhanas/react-qr-code@2.0.18...2.2.0)

---
updated-dependencies:
- dependency-name: react-qr-code
  dependency-version: 2.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/package.json

@@ -39,7 +39,7 @@
     "react-dom": "19.2.0",
     "react-i18next": "17.0.1",
     "react-icons": "5.7.0",
-    "react-qr-code": "2.0.18",
+    "react-qr-code": "2.2.0",
     "react-router": "8.3.0",
     "swr": "2.4.1",
     "vite-tsconfig-paths": "^6.1.1"