[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black-pre-commit-mirror: 26.1.0 → 26.3.0](psf/black-pre-commit-mirror@26.1.0...26.3.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -6,7 +6,7 @@ repos:
     args:
       - "--py36-plus"
 - repo: https://github.com/psf/black-pre-commit-mirror
-  rev: 26.1.0
+  rev: 26.3.0
   hooks:
   - id: black
 - repo: https://github.com/pycqa/flake8