⬆ Bump next-themes from 0.4.4 to 0.4.6 in /frontend (#1598)

Bumps [next-themes](https://github.com/pacocoursey/next-themes) from 0.4.4 to 0.4.6.
- [Release notes](https://github.com/pacocoursey/next-themes/releases)
- [Commits](https://github.com/pacocoursey/next-themes/compare/v0.4.4...v0.4.6)

---
updated-dependencies:
- dependency-name: next-themes
  dependency-version: 0.4.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package.json

@@ -18,7 +18,7 @@
     "@tanstack/react-router": "1.19.1",
     "axios": "1.9.0",
     "form-data": "4.0.2",
-    "next-themes": "^0.4.4",
+    "next-themes": "^0.4.6",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-error-boundary": "^4.0.13",