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

…k@master networkservicemesh/sdk#691

networkservicemesh/sdk PR link: networkservicemesh/sdk#691

networkservicemesh/sdk commit message:
commit 477e672808b4c9d8f89282d0b66f88ff6d87375f
Author: Denis Tingaikin <49399980+denis-tingaikin@users.noreply.github.com>
Date:   Tue Feb 2 22:09:19 2021 +0700

    add nsmlabel tool (#691)

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

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

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/golang/protobuf v1.4.3
 	github.com/google/uuid v1.1.2
 	github.com/networkservicemesh/api v0.0.0-20210129070124-aa2cf17f7641
-	github.com/networkservicemesh/sdk v0.0.0-20210201170418-ed5476d135bd
+	github.com/networkservicemesh/sdk v0.0.0-20210202150919-477e672808b4
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.6.1
 	github.com/vishvananda/netlink v1.1.0

go.sum

@@ -279,8 +279,8 @@ 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 v0.0.0-20210129070124-aa2cf17f7641 h1:SfJk0kLFj1oKtR9OA1RztfNCeg0qukYA3aF4VO/tsx8=
 github.com/networkservicemesh/api v0.0.0-20210129070124-aa2cf17f7641/go.mod h1:qvxdY1Zt4QTtiG+uH1XmjpegeHjlt5Jj4A8iK55iJPI=
-github.com/networkservicemesh/sdk v0.0.0-20210201170418-ed5476d135bd h1:7O+nlaqBD53HkMLb1r2Ukgw8lDPoCOMQHjFz3sw/X6A=
-github.com/networkservicemesh/sdk v0.0.0-20210201170418-ed5476d135bd/go.mod h1:FMeFVMDkLVB8eiBRwJG6yURttr0BGbz6SKJAhjXJgAU=
+github.com/networkservicemesh/sdk v0.0.0-20210202150919-477e672808b4 h1:Mdz2nAmS4nZrumaQVYKaMgufeiTDEU9/EHY7CmVAYio=
+github.com/networkservicemesh/sdk v0.0.0-20210202150919-477e672808b4/go.mod h1:FMeFVMDkLVB8eiBRwJG6yURttr0BGbz6SKJAhjXJgAU=
 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=