feat: 重构视频下载任务的触发逻辑，由简单的 tokio::sleep 迁移至调度器调度 (#529)

crates/bili_sync/Cargo.toml

@@ -21,6 +21,7 @@ bili_sync_migration = { workspace = true }
 chrono = { workspace = true }
 clap = { workspace = true }
 cookie = { workspace = true }
+croner = { workspace = true }
 dashmap = { workspace = true }
 dirs = { workspace = true }
 enum_dispatch = { workspace = true }
@@ -48,6 +49,7 @@ strum = { workspace = true }
 sysinfo = { workspace = true }
 thiserror = { workspace = true }
 tokio = { workspace = true }
+tokio-cron-scheduler = { workspace = true }
 tokio-stream = { workspace = true }
 tokio-util = { workspace = true }
 toml = { workspace = true }