[pre-commit.ci] pre-commit autoupdate (#117)

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.15.20 → v0.15.21](astral-sh/ruff-pre-commit@v0.15.20...v0.15.21)

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

@@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.15.20
+  rev: v0.15.21
   hooks:
     # Run the linter.
     - id: ruff