fix: left out saving the password hash

cutt/security.py

@@ -374,6 +374,7 @@ async def register(req: RegisterRequest):
         team = session.exec(select(Team).where(Team.id == team_id)).one()
         new_player = Player(
             username=req.username,
+            hashed_password=get_password_hash(req.password),
             display_name=req.display_name,
             email=req.email if req.email else None,
             number=req.number,