[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/pre-commit/mirrors-clang-format: v20.1.8 → v21.1.0](pre-commit/mirrors-clang-format@v20.1.8...v21.1.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ repos:
   hooks:
   - id: check-useless-excludes
 - repo: https://github.com/pre-commit/mirrors-clang-format
-  rev: v20.1.8
+  rev: v21.1.0
   hooks:
   - id: clang-format
     'types_or': [c++, c]