fix: don't update watchlist order when saving progress

internal/db/queries.sql

@@ -43,8 +43,7 @@ RETURNING *;
 -- name: SaveWatchProgress :exec
 UPDATE watch_list_entry
 SET current_episode = ?,
-    current_time_seconds = ?,
-    updated_at = CURRENT_TIMESTAMP
+    current_time_seconds = ?
 WHERE user_id = ? AND anime_id = ?;
 
 -- name: UpsertContinueWatchingEntry :one