Bump clsx from 1.1.1 to 2.0.0 in /ui

Bumps [clsx](https://github.com/lukeed/clsx) from 1.1.1 to 2.0.0.
- [Release notes](https://github.com/lukeed/clsx/releases)
- [Commits](https://github.com/lukeed/clsx/compare/v1.1.1...v2.0.0)

---
updated-dependencies:
- dependency-name: clsx
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

ui/package.json

@@ -8,7 +8,7 @@
     "@material-ui/lab": "^4.0.0-alpha.58",
     "@material-ui/styles": "^4.11.5",
     "blueimp-md5": "^2.19.0",
-    "clsx": "^1.1.1",
+    "clsx": "^2.0.0",
     "connected-react-router": "^6.9.1",
     "deepmerge": "^4.3.1",
     "history": "^4.10.1",