fix: use HEAD instead of GET in songInfo.imageSrc validation step

Thanks to @daika7ana!
Close #2766

Author: JellyBrick

src/providers/song-info.ts

@@ -142,7 +142,10 @@ const handleData = async (
     const thumbnails = videoDetails.thumbnail?.thumbnails;
     songInfo.imageSrc = thumbnails.at(-1)?.url.split('?')[0];
 
-    if (songInfo.imageSrc && !(await net.fetch(songInfo.imageSrc)).ok) {
+    if (
+      songInfo.imageSrc &&
+      !(await net.fetch(songInfo.imageSrc, { method: 'HEAD' })).ok
+    ) {
       songInfo.imageSrc = thumbnails.at(-1)?.url;
     }