[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.15.5 → v0.15.6](astral-sh/ruff-pre-commit@v0.15.5...v0.15.6)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -34,7 +34,7 @@ repos:
           - mdformat-gfm
           - mdformat-gfm-alerts
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.5
+    rev: v0.15.6
     hooks:
       - id: ruff-check
         args: [--fix, --exit-non-zero-on-fix]