libva: Update version from 1.8.2 to 2.3.0

The project moved to GitHub, and releases are only published there.
Update the source URL accordingly.

The change-log is available [online][1].

[1]: https://github.com/intel/libva/blob/master/NEWS

libva.be0

@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION libva-1.8.2-0
+# BEE_VERSION libva-2.3.0-0
 
 ## 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.)
@@ -9,7 +9,7 @@
 ## The source URL(s) define the location of the sources that will be
 ## downloaded. Version variables may be used to simplify reuse of this bee-file.
 
-SRCURL[0]="https://www.freedesktop.org/software/vaapi/releases/libva/libva-${PKGVERSION}.tar.bz2"
+SRCURL[0]="https://github.com/intel/libva/releases/download/${PKGVERSION}/libva-${PKGVERSION}.tar.bz2"
 
 ###############################################################################
 ## Add URLs/pathes to patch files to the PATCHURL array.