NEWS: add v3.2.2
NEWS: add v3.2.2

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

bdarnell/etcd,YuleiXiao/etcd,mickep76/etcd,mkumatag/etcd,li-ang/etcd,mkumatag/etcd,bdarnell/etcd,gyuho/etcd,YuleiXiao/etcd,dannysauer/etcd,etcd-io/etcd,glevand/coreos--etcd,akauppi/etcd,cockroachdb/etcd,mickep76/etcd,sinsharat/etcd,a-robinson/etcd,cockroachdb/etcd,fanminshi/etcd,fanminshi/etcd,whuwxl/etcd,heyitsanthony/etcd,joshix/etcd,bluebreezecf/etcd,joshix/etcd,vimalk78/etcd,coreos/etcd,ajityagaty/etcd,bluebreezecf/etcd,lorneli/etcd,dannysauer/etcd,lorneli/etcd,rnaveiras/etcd,rnaveiras/etcd,visheshnp/etcd,etcd-io/etcd,xiang90/etcd,whuwxl/etcd,etcd-io/etcd,glevand/coreos--etcd,a-robinson/etcd,heyitsanthony/etcd,ajityagaty/etcd,mqliang/etcd,coreos/etcd,mkumatag/etcd,vimalk78/etcd,sinsharat/etcd,xiang90/etcd,visheshnp/etcd,sebrandon1/etcd,akauppi/etcd,mqliang/etcd,mqliang/etcd,sebrandon1/etcd,gyuho/etcd,rnaveiras/etcd,ajityagaty/etcd,li-ang/etcd