Bump @reduxjs/toolkit from 2.0.1 to 2.1.0 in /commafeed-client

Bumps [@reduxjs/toolkit](https://github.com/reduxjs/redux-toolkit) from 2.0.1 to 2.1.0.
- [Release notes](https://github.com/reduxjs/redux-toolkit/releases)
- [Commits](https://github.com/reduxjs/redux-toolkit/compare/v2.0.1...v2.1.0)

---
updated-dependencies:
- dependency-name: "@reduxjs/toolkit"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

commafeed-client/package.json

@@ -26,7 +26,7 @@
     "@mantine/notifications": "^7.3.2",
     "@mantine/spotlight": "^7.3.2",
     "@monaco-editor/react": "^4.6.0",
-    "@reduxjs/toolkit": "^2.0.1",
+    "@reduxjs/toolkit": "^2.1.0",
     "axios": "^1.6.7",
     "dayjs": "^1.11.10",
     "escape-string-regexp": "^5.0.0",