Update dependency isort to v6

Author: renovate[bot]

pyproject.toml

@@ -44,7 +44,7 @@ requests = "^2.31.0"
 bandit = "^1.7.5"
 black = {version = "^24.0.0", allow-prereleases = true}
 darglint = "^1.8.1"
-isort = {extras = ["colors"], version = "^5.13.2"}
+isort = {extras = ["colors"], version = "^6.0.0"}
 mypy = "^1.8"
 mypy-extensions = "^1.0.0"
 pre-commit = "^3.6.0"
@@ -61,7 +61,7 @@ pytest-cov = "^4.0.0"
 [tool.poetry.group.dev.dependencies]
 bandit = "^1.7.4"
 darglint = "^1.8.1"
-isort = {extras = ["colors"], version = "^5.12.0"}
+isort = {extras = ["colors"], version = "^6.0.0"}
 mypy = "^1.3"
 pre-commit = ">=2.20,<4.0"
 pydocstyle = "^6.3.0"