CHANGELOG-3.4: add "go-systemd" upgrade
CHANGELOG-3.4: add "go-systemd" upgrade

Signed-off-by: Gyuho Lee <3454051ee3341eb69bdf6fca40899cdad4d86496@gmail.com>

sinsharat/etcd,joshix/etcd,etcd-io/etcd,ajityagaty/etcd,joshix/etcd,xiang90/etcd,bdarnell/etcd,glevand/coreos--etcd,cockroachdb/etcd,coreos/etcd,etcd-io/etcd,sebrandon1/etcd,fanminshi/etcd,glevand/coreos--etcd,dannysauer/etcd,gyuho/etcd,rnaveiras/etcd,li-ang/etcd,coreos/etcd,rnaveiras/etcd,mqliang/etcd,ajityagaty/etcd,gyuho/etcd,mkumatag/etcd,li-ang/etcd,ajityagaty/etcd,xiang90/etcd,etcd-io/etcd,mkumatag/etcd,mqliang/etcd,mqliang/etcd,dannysauer/etcd,cockroachdb/etcd,vimalk78/etcd,mkumatag/etcd,vimalk78/etcd,bdarnell/etcd,sebrandon1/etcd,rnaveiras/etcd,sinsharat/etcd,fanminshi/etcd