feat(beatmap): implement get beatmap arrtibutes

app/database/beatmapset.py

@@ -2,7 +2,6 @@ from datetime import datetime
 from typing import TYPE_CHECKING, TypedDict, cast
 
 from app.models.beatmap import BeatmapRankStatus, Genre, Language
-from app.models.score import GameMode
 
 from pydantic import BaseModel, model_serializer
 from sqlalchemy import DECIMAL, JSON, Column, DateTime, Text
@@ -69,7 +68,7 @@ class BeatmapNomination(TypedDict):
     beatmapset_id: int
     reset: bool
     user_id: int
-    rulesets: dict[str, GameMode] | None
+    rulesets: list[str] | None
 
 
 class BeatmapDescription(SQLModel):