ci: pre-commit autoupdate

updates:
- [github.com/PyCQA/isort: 7.0.0 → 9.0.0a3](PyCQA/isort@7.0.0...9.0.0a3)
- [github.com/psf/black-pre-commit-mirror: 25.12.0 → 26.3.1](psf/black-pre-commit-mirror@25.12.0...26.3.1)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -1,10 +1,10 @@
 repos:
   - repo: https://github.com/PyCQA/isort
-    rev: 7.0.0
+    rev: 9.0.0a3
     hooks:
       - id: isort
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 25.12.0
+    rev: 26.3.1
     hooks:
       - id: black
   - repo: https://github.com/pycqa/flake8