gst123 0.4.1

Overview of changes in gst123-0.4.1:

• Avoid depending on .git / git during build (remove ChangeLog).

gst123 0.4.0

• Use gtk3 instead of gtk2 [Ahmed El-Mahmoudy].
• Change config file location to ~/.config/gst123rc [Victor Ananjevsky] (PR#22).
• Decode URIs to print proper media name [zhashuyu] (PR#25).
• Support "audio/mpegurl" mime type for m3u playlist parser as well.
• Use GitHub CI.
• Various bugfixes.