fix: use try/finally in get_db to preserve exception stack traces

Author: Anderson Souza

backend/app/api/deps.py

@@ -19,8 +19,11 @@
 
 
 def get_db() -> Generator[Session, None, None]:
-    with Session(engine) as session:
+    session = Session(engine)
+    try:
         yield session
+    finally:
+        session.close()
 
 
 SessionDep = Annotated[Session, Depends(get_db)]