* ➕ Add pydantic-settings to all extras
* 📝 Update docs for Pydantic settings
* 📝 Update Settings source examples to use Pydantic v2, and add a Pydantic v1 version
* ✅ Add tests for settings with Pydantic v1 and v2
* 🔥 Remove solved TODO comment
* ♻️ Update conditional OpenAPI to use new Pydantic v2 settings