采用定时任务每天3 AM 香港时间清理过期的直播缓存

* 采用定时任务每天3 AM 香港时间清理过期的直播缓存

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Merge request URL: https://g-ldyi2063.coding.net/p/dev/d/modalDeploy/git/merge/4870?initial=true
Co-authored-by: shuohigh@gmail.com

src/cluster/ffmpeg_apps/schedule_cleanup.py

@@ -15,10 +15,9 @@ with ffmpeg_worker_image.imports():
     # runs daily at 3 am (Hong Kong time)
     @app.function(
         volumes={hls_recording_mount_point: hls_recording_volume},
-        schedule=modal.Cron("0 3 * * *", timezone="Asia/HongKong")
+        schedule=modal.Cron("0 3 * * *", timezone="Asia/Hong_Kong")
     )
     def storage_cleanup():
-        # todo: clean up storage
         output_dir = f"{config.modal_environment}/records/hls/"
         volume_output_dir = f"{hls_recording_mount_point}/{output_dir}"