xf86-video-nouveau: Update version from 1.0.15 to 1.0.16

From the [announcement][1]:

> Full log below, but most notably:
>  - Better 30bpp handling
>  - DP-MST hotplug support
>  - DRI3/Present support in the presence of rotated RandR screens
>  - Updates for various Xorg API changes
>  - Autoconf cleanups

[1]: https://lists.freedesktop.org/archives/nouveau/2019-January/032053.html

xf86-video-nouveau.be0

@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION xf86-video-nouveau-1.0.15-2
+# BEE_VERSION xf86-video-nouveau-1.0.16-0
 
 ## this file was created by bee init and should be executed to build a
 ## bee-package. (Additional hints are located at the end of this file.)