✨ Upgrade SQLAlchemy to 2.0, including initial work by farahats9 (#700)

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>

tests/test_tutorial/test_fastapi/test_response_model/test_tutorial001.py

@@ -3,7 +3,7 @@ from sqlmodel import create_engine
 from sqlmodel.pool import StaticPool
 
 openapi_schema = {
-    "openapi": "3.0.2",
+    "openapi": "3.1.0",
     "info": {"title": "FastAPI", "version": "0.1.0"},
     "paths": {
         "/heroes/": {
@@ -91,7 +91,7 @@ openapi_schema = {
                     "loc": {
                         "title": "Location",
                         "type": "array",
-                        "items": {"type": "string"},
+                        "items": {"anyOf": [{"type": "string"}, {"type": "integer"}]},
                     },
                     "msg": {"title": "Message", "type": "string"},
                     "type": {"title": "Error Type", "type": "string"},