chore: update pre-commit hooks (#510)

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.6.7 → v0.6.8](astral-sh/ruff-pre-commit@v0.6.7...v0.6.8)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.6.7"
+    rev: "v0.6.8"
     hooks:
       - id: ruff
         args: ["--fix", "--show-fixes"]