[pre-commit.ci] pre-commit autoupdate (#499)

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

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ repos:
           - --target-version=py38
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: 'v0.6.7'
+    rev: 'v0.6.8'
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]