Update ruff requirement from ^0.0.280 to ^0.0.284 (#123)

Updates the requirements on [ruff](https://github.com/astral-sh/ruff) to permit the latest version.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/BREAKING_CHANGES.md)
- [Commits](astral-sh/ruff@v0.0.280...v0.0.284)

---
updated-dependencies:
- dependency-name: ruff
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -32,7 +32,7 @@ pyenchant = "^3.2.2"
 pytest = "^7.0.1"
 pytest-asyncio = "^0.21.0"
 pytest-cov = "^4.0.0"
-ruff = "^0.0.280"
+ruff = "^0.0.284"
 Sphinx = "^7.1.2"
 sphinx-autoapi = "^2.0.1"
 sphinx-autodoc-typehints = "^1.12.0"