Update go.mod and go.sum to latest version from networkservicemesh/sd…

…k@master networkservicemesh/sdk#684

networkservicemesh/sdk PR link: networkservicemesh/sdk#684

networkservicemesh/sdk commit message:
commit 9644842368e63e1f6f4aaa7fad49d6e027a6be46
Author: Denis Tingaikin <49399980+denis-tingaikin@users.noreply.github.com>
Date:   Tue Feb 2 23:33:23 2021 +0700

    Fix: expire NS server incorrectly handles updates from the NSE server (#684)

    * 1. ns expire server should correctly handle a case when remote registry sent an update with deleted nse.
    2. ns expire server should correctly count refs of network services in case of nse updates.

    Signed-off-by: Denis Tingaikin <denis.tingajkin@xored.com>

    * apply review comments

    Signed-off-by: Denis Tingaikin <denis.tingajkin@xored.com>

    * apply review comments

    Signed-off-by: Denis Tingaikin <denis.tingajkin@xored.com>

Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/golang/protobuf v1.4.3
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/networkservicemesh/api v0.0.0-20210202152048-ec956057eb3a
-	github.com/networkservicemesh/sdk v0.0.0-20210202152617-736c52dc0b05
+	github.com/networkservicemesh/sdk v0.0.0-20210202163323-9644842368e6
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.7.0
 	github.com/spiffe/go-spiffe/v2 v2.0.0-alpha.4.0.20200528145730-dc11d0c74e85

go.sum

@@ -287,8 +287,8 @@ github.com/nats-io/stan.go v0.6.0/go.mod h1:eIcD5bi3pqbHT/xIIvXMwvzXYElgouBvaVRf
 github.com/nbutton23/zxcvbn-go v0.0.0-20180912185939-ae427f1e4c1d/go.mod h1:o96djdrsSGy3AWPyBgZMAGfxZNfgntdJG+11KU4QvbU=
 github.com/networkservicemesh/api v0.0.0-20210202152048-ec956057eb3a h1:26MmmU399gnahAC+f6OfWsP5MpnLdJ4UjvBa6fXYvNU=
 github.com/networkservicemesh/api v0.0.0-20210202152048-ec956057eb3a/go.mod h1:qvxdY1Zt4QTtiG+uH1XmjpegeHjlt5Jj4A8iK55iJPI=
-github.com/networkservicemesh/sdk v0.0.0-20210202152617-736c52dc0b05 h1:B6pGUnUavWWLSUtBBLU9C4v0hr/i8S5dg6tKYnIUA2c=
-github.com/networkservicemesh/sdk v0.0.0-20210202152617-736c52dc0b05/go.mod h1:V20QDiqdjmCnx1aQvd9f9dq3uTNAqQ30iL2SHXkekJc=
+github.com/networkservicemesh/sdk v0.0.0-20210202163323-9644842368e6 h1:NbbPqYKOd0IdQjgHV66RhAlGG6F9D0zbSymdIrK1gaw=
+github.com/networkservicemesh/sdk v0.0.0-20210202163323-9644842368e6/go.mod h1:V20QDiqdjmCnx1aQvd9f9dq3uTNAqQ30iL2SHXkekJc=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nishanths/exhaustive v0.0.0-20200811152831-6cf413ae40e0/go.mod h1:wBEpHwM2OdmeNpdCvRPUlkEbBuaFmcK4Wv8Q7FuGW3c=