build(deps-dev): bump graphql-ws from 5.15.0 to 5.16.0 (#369)

Bumps [graphql-ws](https://github.com/enisdenjo/graphql-ws) from 5.15.0 to 5.16.0.
- [Release notes](https://github.com/enisdenjo/graphql-ws/releases)
- [Changelog](https://github.com/enisdenjo/graphql-ws/blob/master/CHANGELOG.md)
- [Commits](enisdenjo/graphql-ws@v5.15.0...v5.16.0)

---
updated-dependencies:
- dependency-name: graphql-ws
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>