audio/spotify-qt: Depend on librespot instead of spotifyd

Upstream has deprecated support for spotifyd:
https://github.com/kraxarn/spotify-qt/releases/tag/v4.0.1 (see changes).

PR: 291036
Submitted by: nsonack@herrhotzenplotz.de

(cherry picked from commit 4ce93671beab48ba371cc7a743978d2b3cf70985)