✨ Add support for Pydantic v2 (while keeping support for v1 if v2 is not available), including initial work by AntonDeMeester (#722)

Co-authored-by: Mohamed Farahat <farahats9@yahoo.com>
Co-authored-by: Stefan Borer <stefan.borer@gmail.com>
Co-authored-by: Peter Landry <peter.landry@gmail.com>
Co-authored-by: Anton De Meester <antondemeester+github@gmail.com>

tests/test_query.py

@@ -1,5 +1,6 @@
 from typing import Optional
 
+import pytest
 from sqlmodel import Field, Session, SQLModel, create_engine
 
 
@@ -21,6 +22,7 @@ def test_query(clear_sqlmodel):
         session.refresh(hero_1)
 
     with Session(engine) as session:
-        query_hero = session.query(Hero).first()
+        with pytest.warns(DeprecationWarning):
+            query_hero = session.query(Hero).first()
         assert query_hero
         assert query_hero.name == hero_1.name