Bump suite from b7c0b06 to c648fa8

Bumps [suite](https://github.com/python-jsonschema/referencing-suite) from `b7c0b06` to `c648fa8`.
- [Release notes](https://github.com/python-jsonschema/referencing-suite/releases)
- [Commits](python-jsonschema/referencing-suite@b7c0b06...c648fa8)

---
updated-dependencies:
- dependency-name: suite
  dependency-version: c648fa8b347a70576b319d1b657c13d572925f04
  dependency-type: direct:production
...

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Author: dependabot[bot]