Chore(deps): Bump n3 from 1.20.4 to 1.21.0

Bumps [n3](https://github.com/rdfjs/N3.js) from 1.20.4 to 1.21.0.
- [Release notes](https://github.com/rdfjs/N3.js/releases)
- [Commits](rdfjs/N3.js@v1.20.4...v1.21.0)

---
updated-dependencies:
- dependency-name: n3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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