db: change anime category number type to number

src/lib/db/client-db/seed.ts

@@ -14,7 +14,7 @@ import { getClientDb } from "$lib/db/client-db";
  * This is intended for READ-ONLY browsing. Bump the version when you ship a new
  * snapshot so clients refresh.
  */
-export const AMQ_DB_SEED_VERSION = 3;
+export const AMQ_DB_SEED_VERSION = 4;
 
 const SEED_ASSET_PATH = "/data/amq.sqlite";
 const seededStorageKey = (version: number) => `amq.sqlocal.seeded.v${version}`;