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

…k@master networkservicemesh/sdk#

networkservicemesh/sdk PR link: https://github.com/networkservicemesh/sdk/pull/

networkservicemesh/sdk commit message:
commit 52ca5f7f0cf63372210cfa826371f6da753ae852
Author: Denis Tingaikin <49399980+denis-tingaikin@users.noreply.github.com>
Date:   Mon Feb 22 03:51:40 2021 +0700

    feat: Convert updatetoken client to PerRPCCredentials to solve issue 702 (#716)

    * convert updatetoken client to PerRPCCredentials

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

    * fix linter issues

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

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

go.mod

@@ -8,10 +8,13 @@ require (
 	github.com/golang/protobuf v1.4.3
 	github.com/hashicorp/go-multierror v1.0.0
 	github.com/networkservicemesh/api v0.0.0-20210218170701-1a72f1cba074
-	github.com/networkservicemesh/sdk v0.0.0-20210220122417-bab01203bb73
+	github.com/networkservicemesh/sdk v0.0.0-20210221205140-52ca5f7f0cf6
+	github.com/onsi/ginkgo v1.13.0 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/thanhpk/randstr v1.0.4
 	github.com/vishvananda/netlink v1.1.0
 	github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df
-	google.golang.org/grpc v1.33.2
+	golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136 // indirect
+	golang.org/x/tools v0.0.0-20200812195022-5ae4c3c160a0 // indirect
+	google.golang.org/grpc v1.35.0
 )