chore(deps) Update dependency isort to v6

Author: renovate[bot]

pyproject.toml

@@ -19,15 +19,15 @@ license = "MIT"
 name = "pylint-per-file-ignores"
 readme = "README.md"
 repository = "https://github.com/christopherpickering/pylint-per-file-ignores.git"
-version = "1.3.6"
+version = "1.3.7"
 
 [tool.poetry.dependencies]
 python = "^3.8.1"
 tomli = {version = "^2.0.1", python = "<3.11"}
 
 [tool.poetry.group.dev.dependencies]
 black = "^24.0.0"
-isort = "^5.10.1"
+isort = "^6.0.0"
 ruff = "^0.9.0"
 tox = "^4.0.8"