⬆️ Upgrade Starlette to `>=0.29.0,<0.33.0`, update docs and usage of templates with new Starlette arguments (#10846)
* 📝 Update docs for compatibility with Starlette 0.29.0 and new template arguments
* ⬆️ Upgrade Starlette to >=0.29.0,<0.33.0
* 📌 Remove AnyIO pin