v1.2.12

Release v1.2.12

Core
 - Release v1.2.12
 - aseqsend: initial version
 - chore: Use actions/checkout@v4
/seq/Makefile.am
 - aseqsend: initial version
ALSA Control (alsactl)
 - alsactl: don't free a card pointing NULL
alsa-info.sh
 - alsa-info.sh: log SoundWire devices reported in ACPI
alsamixer
 - alsamixer: fix calculation in set_normalized_volume (overflow)
alsatplg (topology)
 - topology: nhlt: Intel: Improve all error prints
 - topology: nhlt: Intel: Clear DMIC BFTH bits for version
 - topology: nhlt: Intel: Add check for DMIC version
aplay/arecord
 - aplay: fix S24_LE wav header
aseqdump
 - aseqdump: Add dump for UMP Utility and System messages
aseqsend
 - aseqsend: initial version

Signed-off-by: Jaroslav Kysela <perex@perex.cz>