build: Bump pulseaudio dependency

We need 12.99.3 in order to avoid deadlocks on Xwayland startup, see
https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/commit/79a8efb45cb8304967baa2e8c6d6156478ce19d9

Closes: gnome-shell#2599
1 job for wip/carlosg/bump-pulseaudio-dep in 1 minute and 58 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
passed build-fedora #664716

00:01:58