template: Centralize python config files

• mypy: move mypy.ini to pyproject.toml
• flake8: move setup.cfg to pyproject.toml
• pytest: move pytest.ini to pyproject.toml
• fix python_minimal_version type (should be str not float) see !42 (closed)

copier-template/.pre-commit-config.yaml

@@ -20,7 +20,7 @@ repos:
     rev: 7.1.1
     hooks:
       - id: flake8
-        additional_dependencies: [flake8-bugbear==24.4.26]
+        additional_dependencies: [flake8-bugbear==24.4.26, flake8-pyproject]
 
   - repo: https://github.com/codespell-project/codespell
     rev: v2.3.0