chore(deps-dev): update flake8 requirement from 6.1.0 to 7.0.0 (#52)

Updates the requirements on [flake8](https://github.com/pycqa/flake8) to permit the latest version.
- [Commits](PyCQA/flake8@6.1.0...7.0.0)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:development
...

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pyproject.toml

@@ -56,7 +56,7 @@ mypy =  [
 ]
 autopep8 = {version = "2.0.4", python = ">=3.8"}
 isort = {version = "5.13.2", python = ">=3.8"}
-flake8 = { version="6.1.0", python=">=3.8.1" }
+flake8 = { version="7.0.0", python=">=3.8.1" }
 flake8-annotations = { version="3.0.1", python=">=3.8.1" }
 flake8-bugbear = { version="23.12.2", python=">=3.8.1" }
 flake8-isort = {version = "6.1.1", python = ">=3.8"}