Fix CI workflow configuration and pyproject.toml dependencies

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=61.0"]
+requires = ["setuptools>=61.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -7,9 +7,11 @@ name = "config-convert-cli"
 version = "0.1.0"
 description = "A CLI tool for bidirectional conversion between JSON, YAML, TOML, and ENV config formats"
 readme = "README.md"
-requires-python = ">=3.8"
 license = {text = "MIT"}
-authors = [{name = "ConfigConvert Team", email = "team@configconvert.dev"}]
+requires-python = ">=3.8"
+authors = [
+    {name = "Developer", email = "dev@example.com"}
+]
 keywords = ["cli", "config", "conversion", "json", "yaml", "toml", "env"]
 classifiers = [
     "Development Status :: 4 - Beta",
@@ -22,17 +24,19 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
 ]
-
 dependencies = [
     "typer>=0.12.3",
     "rich>=13.7.0",
     "pyyaml>=6.0.1",
+    "tomli>=2.0.1; python_version < '3.11'",
 ]
 
 [project.optional-dependencies]
 dev = [
     "pytest>=7.4.0",
     "pytest-cov>=4.1.0",
+    "ruff>=0.1.0",
+    "mypy>=1.7.0",
 ]
 
 [project.scripts]
@@ -44,12 +48,13 @@ include = ["config_convert*"]
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 python_files = ["test_*.py"]
-python_classes = ["Test*"]
 python_functions = ["test_*"]
 
-[tool.coverage.run]
-source = ["config_convert"]
-omit = ["tests/*"]
+[tool.ruff]
+target-version = "py38"
 
-[tool.coverage.report]
-exclude_lines = ["pragma: no cover", "def __repr__", "raise NotImplementedError"]
+[tool.mypy]
+python_version = "3.8"
+warn_return_any = true
+warn_unused_configs = true
+disallow_untyped_defs = false