[pre-commit.ci] pre-commit autoupdate

updates:
- https://github.com/psf/black → https://github.com/psf/black-pre-commit-mirror

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -18,7 +18,7 @@ repos:
     rev: v3.20.0
     hooks:
     - id: pyupgrade
--   repo: https://github.com/psf/black
+-   repo: https://github.com/psf/black-pre-commit-mirror
     rev: 25.9.0
     hooks:
     -   id: black