github: Add necessery permissions for CodeQL
github: Add necessery permissions for CodeQL

mkumatag/etcd,etcd-io/etcd,mqliang/etcd,rnaveiras/etcd,mqliang/etcd,mkumatag/etcd,rnaveiras/etcd,mkumatag/etcd,etcd-io/etcd,etcd-io/etcd,ajityagaty/etcd,ajityagaty/etcd,ajityagaty/etcd,rnaveiras/etcd,mqliang/etcd