build(deps): bump crates/jsonschema-referencing/tests/suite

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

---
updated-dependencies:
- dependency-name: crates/jsonschema-referencing/tests/suite
  dependency-type: direct:production
...

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

Author: dependabot[bot]