Build xz tarballs instead of bzip2

Signed-off-by: Matt Turner <mattst88@gmail.com>
5 jobs for use-xz-instead-of-bzip2 in 8 minutes and 59 seconds (queued for 10 seconds)
Status Job ID Name Coverage
  Docker Image
passed debian-buster #11635955

00:02:07

 
  Build And Test
passed autotools #11635956

00:06:52

passed meson #11635957

00:03:12

passed meson-noglamor #11635958

00:02:29

passed mingw-cross-build #11635959

00:00:53