[pre-commit.ci] pre-commit autoupdate

updates:
- https://github.com/psf/black → https://github.com/psf/black-pre-commit-mirror
- [github.com/psf/black-pre-commit-mirror: 25.12.0 → 26.5.1](psf/black-pre-commit-mirror@25.12.0...26.5.1)
- [github.com/pycqa/isort: 7.0.0 → 9.0.0a3](PyCQA/isort@7.0.0...9.0.0a3)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -7,12 +7,12 @@ repos:
         args: ["--unsafe"]  # because of tags in mkdocs.yml
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
--   repo: https://github.com/psf/black
-    rev: 25.12.0
+-   repo: https://github.com/psf/black-pre-commit-mirror
+    rev: 26.5.1
     hooks:
     -   id: black
 -   repo: https://github.com/pycqa/isort
-    rev: 7.0.0
+    rev: 9.0.0a3
     hooks:
     -   id: isort
         args: ["--profile", "black", "--filter-files"]