Bump @reduxjs/toolkit from 1.4.0 to 1.5.0 in /ui

Bumps [@reduxjs/toolkit](https://github.com/reduxjs/redux-toolkit) from 1.4.0 to 1.5.0.
- [Release notes](https://github.com/reduxjs/redux-toolkit/releases)
- [Commits](https://github.com/reduxjs/redux-toolkit/compare/v1.4.0...v1.5.0)

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

ui/package.json

@@ -6,7 +6,7 @@
     "@material-ui/core": "4.11.0",
     "@material-ui/icons": "4.11.2",
     "@material-ui/lab": "4.0.0-alpha.56",
-    "@reduxjs/toolkit": "1.4.0",
+    "@reduxjs/toolkit": "1.5.0",
     "@testing-library/jest-dom": "^5.11.9",
     "@testing-library/react": "^9.3.2",
     "@testing-library/user-event": "^12.8.1",