Update go client (vesoft-inc#24)

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/satori/go.uuid v1.2.0
 	github.com/shiena/ansicolor v0.0.0-20200904210342-c7312218db18 // indirect
 	github.com/stretchr/testify v1.7.0 // indirect
-	github.com/vesoft-inc/nebula-go/v2 v2.0.0-20210603033436-24ea78f90a1e
+	github.com/vesoft-inc/nebula-go/v2 v2.0.0-20210709070507-5ab4bdcd57db
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
 	golang.org/x/net v0.0.0-20201224014010-6772e930b67b // indirect
 	golang.org/x/sys v0.0.0-20210105210732-16f7687f5001 // indirect

go.sum

@@ -330,6 +330,8 @@ github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijb
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/vesoft-inc/nebula-go/v2 v2.0.0-20210603033436-24ea78f90a1e h1:B53wGI1tbj/QP2nPm+ubQx/3UTmf4gMhmCVqndfis/o=
 github.com/vesoft-inc/nebula-go/v2 v2.0.0-20210603033436-24ea78f90a1e/go.mod h1:B7nR6+nOSo0umq/HkCmUfyRtYrJVOsNiPS9u4djDbSc=
+github.com/vesoft-inc/nebula-go/v2 v2.0.0-20210709070507-5ab4bdcd57db h1:I22+tDn3oRUPAyhLgjwteYE8ZmZDJZfkQEBHyGiosKo=
+github.com/vesoft-inc/nebula-go/v2 v2.0.0-20210709070507-5ab4bdcd57db/go.mod h1:B7nR6+nOSo0umq/HkCmUfyRtYrJVOsNiPS9u4djDbSc=
 github.com/wendal/errors v0.0.0-20130201093226-f66c77a7882b/go.mod h1:Q12BUT7DqIlHRmgv3RskH+UCM/4eqVMgI0EMmlSpAXc=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/yuin/gopher-lua v0.0.0-20171031051903-609c9cd26973/go.mod h1:aEV29XrmTYFr3CiRxZeGHpkvbwq+prZduBqMaascyCU=