fix: change upcoming titles to only notify about Japanese titles

src/controllers/upcoming-titles/anilist.ts

@@ -69,7 +69,8 @@ export async function getUpcomingTitlesFromAnilist(env: Env) {
     const { airingSchedules, pageInfo } = Page!;
     scheduleList = scheduleList.concat(
       airingSchedules!.filter(
-        (schedule): schedule is AiringSchedule => !!schedule,
+        (schedule): schedule is AiringSchedule =>
+          !!schedule && schedule.media?.countryOfOrigin === "JP",
       ),
     );
     shouldContinue = pageInfo?.hasNextPage ?? false;