openal-soft: update to 1.25.1

openal-soft: update to 1.25.1

1.25.1:
 * Fixed the OpenSL and JACK backends.
 * Fixed WASAPI and CoreAudio capture.
 * Fixed building the OSS backend with OSS v4.
 * Fixed a debug assertion with HRTF enabled.
 * Fixed an STL hardening assertion in the polyphase resampler.
 * Added a new stereo-encoding option for Tetraphonic Surround Matrix
   Encoding.

1.25.0:
 * Updated library codebase to C++20.
 * Fixed alcIsExtensionPresent to do a case-insensitive compare.
 * Fixed potential noise when switching reverbs.
 * Fixed reverb panning with certain output modes.
 * Fixed retrieving the alGetProcAddressDirect extension function.
 * Fixed negative source offsets with a callback buffer.
 * Added build options for STL hardening (default ON for performant checks).
 * Added support for fourth-order ambisonics.
 * Added support for CAF files to the Wave Writer backend.
 * Added optional support for C++20 modules.
 * Updated alsoft-config to Qt6.
 * Changed default period size to 512 sample frames.

Link: https://github.com/kcat/openal-soft/blob/1.25.1/ChangeLog
Signed-off-by: Daniel Golle <redacted>