Update dependency isort to v8

Author: renovate[bot]

pyproject.toml

@@ -21,7 +21,7 @@ flake8-debugger = "^4.1.2"
 flake8-isort = "^6.0.0"
 flake8-print = "^5.0.0"
 flake8-quotes = "^3.3.2"
-isort = "^5.11.4"
+isort = "^8.0.0"
 mypy = "^1.0.0"
 pytest = "^8.0.0"
 types-markdown = "^3.4.2.1"