Update music.metainfo.xml.in

Author: danirabbit

data/music.metainfo.xml.in

@@ -74,6 +74,8 @@
         <issue url="https://github.com/elementary/music/issues/794">Search function only shows first occurrence of search term</issue>
         <issue url="https://github.com/elementary/music/issues/798">Gap below album cover when setting text size greater than 1</issue>
         <issue url="https://github.com/elementary/music/issues/803">NowPlaying area resizes when playing song with long artist name</issue>
+        <issue url="https://github.com/elementary/music/issues/829">The toast "1 invalid file was not added to the queue" and terminal warning is shown</issue>
+
       </issues>
     </release>