feat: add music version id

src/interfaces/music.ts

@@ -33,6 +33,7 @@ export enum MaimaiMusicAddDeleteLogEntry {
 }
 export type MaimaiMusicAddDeleteLog = Partial<Record<MaimaiMajorVersionId, MaimaiMusicAddDeleteLogEntry>>;
 export interface MaimaiMusicMetadataRegionalInfo {
+  versionId: MaimaiMajorVersionId;
   /**
    * For a music deleted from package, it don't have the level value in that version.
    * For a music deleted in patch, it has the level value in that version.

src/processors/music.ts

@@ -89,6 +89,7 @@ export const mergeMusic: MetadataMerger<IntermediateData, Record<number, MaimaiM
       resultMusic.charts.push(...music.charts.slice(resultMusic.charts.length));
     }
     const regionalInfo = resultMusic.regionalInfo[region] ??= {
+      versionId: music.versionId,
       addDeleteLog: {},
       netOpenDate: null,
       subEventDate: null,