news: Update for 5.4.0 release
news: Update for 5.4.0 release

Signed-off-by: Andrea Bolognani <3ada0bee826c753786fdbba72243dfba997094cf@redhat.com>
Acked-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

eskultety/libvirt,nertpinx/libvirt,zippy2/libvirt,libvirt/libvirt,jfehlig/libvirt,libvirt/libvirt,libvirt/libvirt,eskultety/libvirt,crobinso/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,zippy2/libvirt,nertpinx/libvirt,eskultety/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,crobinso/libvirt,andreabolognani/libvirt,eskultety/libvirt,libvirt/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,nertpinx/libvirt,jardasgit/libvirt,jfehlig/libvirt,eskultety/libvirt,nertpinx/libvirt,crobinso/libvirt,nertpinx/libvirt,andreabolognani/libvirt,olafhering/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,jardasgit/libvirt,olafhering/libvirt,zippy2/libvirt,olafhering/libvirt,crobinso/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,olafhering/libvirt,zippy2/libvirt