undo wrong change to next_date in lifecycle_worker.rs

src/model/s3/lifecycle_worker.rs

@@ -396,6 +396,8 @@ fn next_date(ts: u64) -> NaiveDate {
 	DateTime::from_timestamp_millis(ts as i64)
 		.expect("bad timestamp")
 		.date_naive()
+		.succ_opt()
+		.expect("no next day")
 }
 
 fn today() -> NaiveDate {