*: use release-5.1 kvproto (#3876)

Signed-off-by: youjiali1995 <zlwgx1023@gmail.com>

Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>

go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/pingcap/errcode v0.3.0
 	github.com/pingcap/errors v0.11.5-0.20201126102027-b0a155152ca3
 	github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce
-	github.com/pingcap/kvproto v0.0.0-20210527074428-73468940541b
+	github.com/pingcap/kvproto v0.0.0-20210712050333-b66fdbd6bfd5
 	github.com/pingcap/log v0.0.0-20210317133921-96f4fcab92a4
 	github.com/pingcap/sysutil v0.0.0-20210315073920-cc0985d983a3
 	github.com/pingcap/tidb-dashboard v0.0.0-20210716172320-2226872e3296

go.sum

@@ -317,8 +317,8 @@ github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce h1:Y1kCxlCtlPTMt
 github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce/go.mod h1:w4PEZ5y16LeofeeGwdgZB4ddv9bLyDuIX+ljstgKZyk=
 github.com/pingcap/kvproto v0.0.0-20191211054548-3c6b38ea5107/go.mod h1:WWLmULLO7l8IOcQG+t+ItJ3fEcrL5FxF0Wu+HrMy26w=
 github.com/pingcap/kvproto v0.0.0-20200411081810-b85805c9476c/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI=
-github.com/pingcap/kvproto v0.0.0-20210527074428-73468940541b h1:NI+3/QYkQGTS6q1GTw3rapNu3l03K71+shL03r8/OOo=
-github.com/pingcap/kvproto v0.0.0-20210527074428-73468940541b/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI=
+github.com/pingcap/kvproto v0.0.0-20210712050333-b66fdbd6bfd5 h1:LN/ml4lm5+AYdn+N/CJ102wFUph2OIpo8hHqi8QxKiQ=
+github.com/pingcap/kvproto v0.0.0-20210712050333-b66fdbd6bfd5/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI=
 github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8=
 github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8=
 github.com/pingcap/log v0.0.0-20210317133921-96f4fcab92a4 h1:ERrF0fTuIOnwfGbt71Ji3DKbOEaP189tjym50u8gpC8=