[pre-commit.ci] pre-commit autoupdate (#106)

<!--pre-commit.ci start-->
updates:
- [github.com/astral-sh/ruff-pre-commit: v0.5.4 →
v0.5.6](astral-sh/ruff-pre-commit@v0.5.4...v0.5.6)
<!--pre-commit.ci end-->

.pre-commit-config.yaml

@@ -2,7 +2,7 @@
 repos:
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.5.4
+  rev: v0.5.6
   hooks:
     # Run the linter.
     - id: ruff