[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/PyCQA/isort: 5.8.0 → 5.9.1](PyCQA/isort@5.8.0...5.9.1)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -7,7 +7,7 @@ repos:
     - id: end-of-file-fixer
     - id: trailing-whitespace
   - repo: https://github.com/PyCQA/isort
-    rev: 5.8.0
+    rev: 5.9.1
     hooks:
     - id: isort
       additional_dependencies: [toml]