fix vcs-browser in appdata.xml

Author: PunkPangolin

data/io.github.celluloid_player.Celluloid.appdata.xml.in

@@ -655,6 +655,6 @@
  <url type="bugtracker">https://github.com/celluloid-player/celluloid/issues</url>
  <url type="donation">https://paypal.me/CelluloidProject</url>
  <url type="translate">https://hosted.weblate.org/projects/celluloid/</url>
- <url type="vcs-browser">https://github.com/celluloid/celluloid</url>
+ <url type="vcs-browser">https://github.com/celluloid-player/celluloid</url>
  <update_contact>gnome-mpv@km.away.im</update_contact>
 </component>