build(deps): bump @vector-im/compound-web in /frontend

Bumps [@vector-im/compound-web](https://github.com/vector-im/compound-web) from 4.1.2 to 4.2.0.
- [Release notes](https://github.com/vector-im/compound-web/releases)
- [Commits](element-hq/compound-web@v4.1.2...v4.2.0)

---
updated-dependencies:
- dependency-name: "@vector-im/compound-web"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

frontend/package.json

@@ -29,7 +29,7 @@
     "@urql/exchange-refocus": "^1.0.2",
     "@urql/exchange-request-policy": "^1.1.0",
     "@vector-im/compound-design-tokens": "1.2.0",
-    "@vector-im/compound-web": "^4.1.2",
+    "@vector-im/compound-web": "^4.2.0",
     "classnames": "^2.5.1",
     "date-fns": "^3.6.0",
     "graphql": "^16.8.1",