Sphinx-sqlalchemy

* 🔧 Move to sphinx-extensions2 organisation by chrisjsewell in https://github.com/sphinx-extensions2/sphinx-sqlalchemy/pull/17
* 👌 Improve parsing of multiline docstrings by AlexTorx in https://github.com/sphinx-extensions2/sphinx-sqlalchemy/pull/15
* 🐛 FIX: Exception when rendering `CheckConstraints` by Starbat in https://github.com/sphinx-extensions2/sphinx-sqlalchemy/pull/19

* 🐛 FIX: Skip non-columns by rclaasen in https://github.com/sphinx-extensions2/sphinx-sqlalchemy/pull/2
* ⬆️ Update sphinx version to 5,6,7 by chrisjsewell in https://github.com/sphinx-extensions2/sphinx-sqlalchemy/pull/6
* ⬆️ Update sqlachemy version to 2 by chrisjsewell in https://github.com/sphinx-extensions2/sphinx-sqlalchemy/pull/12

✨ NEW: Nested parse class docstrings

Initial release.