build(deps): bump ws from 8.20.1 to 8.21.0 in /packages/@uppy/companion

Bumps [ws](https://github.com/websockets/ws) from 8.20.1 to 8.21.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/compare/8.20.1...8.21.0)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.21.0
  dependency-type: direct:production
...

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

packages/@uppy/companion/package.json

@@ -74,7 +74,7 @@
     "tus-js-client": "4.3.1",
     "validator": "13.15.35",
     "webdav": "5.10.0",
-    "ws": "8.20.1",
+    "ws": "8.21.0",
     "zod": "4.4.3"
   },
   "devDependencies": {