audio/py-spotipy: Update to 2.24.0

• Add option CACHE (default off) to enable a cache handler via pymemcache
• Remove patch files/patch-docs_conf.py

Release changes: https://github.com/spotipy-dev/spotipy/releases/tag/2.24.0
Reported by: Stéphane Bruckert <notifications@github.com>