Import Debian changes 1.50.3-1

.gitlab-ci.yml

.gitlab-ci/Dockerfile

NEWS

README.md

client/gdaemonfile.c

client/gdaemonfilemonitor.c

client/gdaemonmount.c

client/gvfsdaemondbus.c

client/gvfsfusedaemon.c

client/gvfsiconloadable.c

common/gvfsutils.c

common/gvfsutils.h

daemon/admin.mount.in

daemon/gvfs-daemon.service.in

daemon/gvfsafpserver.c

daemon/gvfsbackend.c

daemon/gvfsbackendadmin.c

daemon/gvfsbackendafc.c

daemon/gvfsbackendafp.c

daemon/gvfsbackendafpbrowse.c