audio/pulseaudio-module-sndio: update to 9.0 to unbreak after r424621

cc -shared module-sndio.o -Wl,-rpath -Wl,/usr/local/lib -Wl,-rpath -Wl,/usr/local/lib/pulseaudio -fstack-protector -L/usr/local/lib -L/usr/local/lib/pulseaudio -lpulsecore-8.0 -lpulsecommon-8.0 -lpulse -lsndio -o module-sndio.so
/usr/bin/ld: cannot find -lpulsecore-8.0
cc: error: linker command failed with exit code 1 (use -v to see invocation)

• Error code 1

Changes: https://github.com/t6/pulseaudio-module-sndio/compare/8.0...9.0
PR: 213825
Reported by: pkg-fallout
Submitted by: Tobias Kortkamp (maintainer)