Bump rdflib from 2.2.37 to 2.3.0

Bumps [rdflib](https://github.com/linkeddata/rdflib.js) from 2.2.37 to 2.3.0.
- [Release notes](https://github.com/linkeddata/rdflib.js/releases)
- [Changelog](https://github.com/linkeddata/rdflib.js/blob/main/changes.txt)
- [Commits](linkeddata/rdflib.js@v2.2.37...v2.3.0)

---
updated-dependencies:
- dependency-name: rdflib
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]