Bump suite from c810685 to 56e6889

Bumps [suite](https://github.com/python-jsonschema/referencing-suite) from `c810685` to `56e6889`.
- [Commits](python-jsonschema/referencing-suite@c810685...56e6889)

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

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Author: dependabot[bot]