v2.2.2

PyEnzyme 2.2.2

This release updates package metadata and optional dependency configuration.

What changed

• Switched optional dependency declaration from [dependency-groups] to [project.optional-dependencies] in pyproject.toml.
• Removed default-groups = ["excel"] from [tool.uv] in pyproject.toml.

Full Changelog: v0.2.1...v2.2.2