mpd: Update to 0.23.13

ver 0.23.13 (2023/05/22)
* input
  - curl: fix busy loop after connection failed
  - curl: hide "404" log messages for non-existent ".mpdignore" files
* archive
  - zzip: fix crash bug
* database
  - simple: reveal hidden songs after deleting containing CUE
* decoder
  - ffmpeg: reorder to a lower priority than "gme"
  - gme: require GME 0.6 or later
* output
  - pipewire: fix corruption bug due to missing lock
* Linux
  - shut down if parent process dies in --no-daemon mode
  - determine systemd unit directories via pkg-config
* support libfmt 10

ver 0.23.12 (2023/01/17)
* input
  - curl: require CURL 7.55.0 or later
* decoder
  - mad: fix integer underflow with very small files
* tags
  - fix crash bug due to race condition
* output
  - pipewire: adjust to PipeWire 0.3.64 API change
* fix build failures with GCC 13

Removed upstreamed patch.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
(cherry picked from commit f43e7a5067f5d594ffee9ad66fe50256b423c524)