Fix application startup error by adding email-validator

- Add email-validator package to requirements.txt
- Update User and Todo schemas to use new Pydantic v2 model_config syntax
- Replace deprecated 'orm_mode' with Pydantic v2 'from_attributes' config

app/schemas/todo.py

@@ -26,6 +26,6 @@ class Todo(TodoBase):
     created_at: datetime
     updated_at: Optional[datetime] = None
 
-    class Config:
-        orm_mode = True
-        from_attributes = True
+    model_config = {
+        "from_attributes": True
+    }

app/schemas/user.py

@@ -26,9 +26,9 @@ class User(UserBase):
     created_at: datetime
     updated_at: Optional[datetime] = None
 
-    class Config:
-        orm_mode = True
-        from_attributes = True
+    model_config = {
+        "from_attributes": True
+    }
 
 
 class UserInDB(User):

requirements.txt

@@ -8,3 +8,4 @@ ruff==0.1.1
 python-jose[cryptography]==3.3.0
 passlib[bcrypt]==1.7.4
 pydantic-settings==2.0.3
+email-validator==2.0.0