fix: Use ConfigDict instead of class-based Config (#3409)

Signed-off-by: Gabe Goodhart <ghart@us.ibm.com>

openmemory/api/app/schemas.py

@@ -2,7 +2,7 @@ from datetime import datetime
 from typing import List, Optional
 from uuid import UUID
 
-from pydantic import BaseModel, Field, validator
+from pydantic import BaseModel, ConfigDict, Field, validator
 
 
 class MemoryBase(BaseModel):
@@ -33,8 +33,7 @@ class Memory(MemoryBase):
     categories: Optional[List[Category]] = None
     app: App
 
-    class Config:
-        from_attributes = True
+    model_config = ConfigDict(from_attributes=True)
 
 class MemoryUpdate(BaseModel):
     content: Optional[str] = None