Bump @react-three/xr from 5.5.0 to 6.2.2 in /client/StichHub

Bumps [@react-three/xr](https://github.com/pmndrs/xr) from 5.5.0 to 6.2.2.
- [Release notes](https://github.com/pmndrs/xr/releases)
- [Commits](pmndrs/xr@v5.5.0...v6.2.2)

---
updated-dependencies:
- dependency-name: "@react-three/xr"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>