Update to Ruff 0.5

Ruff 0.4 improves parser speed and adds a language server.
Ruff 0.5 updates the default output format and adds support for XDG
config paths (`~/.config/ruff/ruff.toml`) on macOS.

https://astral.sh/blog/ruff-v0.4.0
https://astral.sh/blog/ruff-v0.5.0
https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md

pyproject.toml

@@ -23,7 +23,7 @@ requires-python = ">=3.10,<4"
 [project.optional-dependencies]
 checks = [
   "mypy==1.9.0",
-  "ruff>=0.3,<0.4",
+  "ruff>=0.5,<0.6",
 ]
 docs = [
   "mkdocs-material>=9,<10",