audio/cava: Update to 0.10.4
- Switch to release tarball
- Remove autoreconf and libtool build deps
ChangeLog: https://github.com/karlstav/cava/releases/tag/0.10.4
https://github.com/karlstav/cava/releases/tag/0.10.3
PR: 284852
Tested by: diizzy, eduardo
Approved by: portmgr (build fix blanket)
MFH: 2025Q1