[pre-commit.ci] pre-commit autoupdate

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)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -10,7 +10,7 @@ repos:
   -   id: check-added-large-files
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: 'v0.15.20'
+  rev: 'v0.15.21'
   hooks:
     - id: ruff
       args: [--fix, --exit-non-zero-on-fix]