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 68e58775b5d77c0b6c5beb7a0a21d47a7442d8ff
Author: Vladimir Popov <vladimir.popov@xored.com>
Date:   Thu Mar 4 22:07:27 2021 +0700

    Pr fix connect server (#703)

    * Fix connect closing

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Fix deleting connInfo

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Remove openbox testing

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Remove gosched

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Remove unnecessary goroutine

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Remove extra cancel

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Optimize deleting clients for ref count map

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Replace time.After to Dial in tests

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Health check for network service server started

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Refactor connect server to use MultiExecutor

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Fix linter issues

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Fix comments issues

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Remove injecting error in connect server

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Move Executor interface to serialize package

    Signed-off-by: Artem Belov <artem.belov@xored.com>

    * Remove multiexecutor.ExecutorFunc

    Signed-off-by: Vladimir Popov <vladimir.popov@xored.com>

    * Edit tests, add comments

    Signed-off-by: Vladimir Popov <vladimir.popov@xored.com>

    * Fix linter issues

    Signed-off-by: Vladimir Popov <vladimir.popov@xored.com>

    * Return error on Close if there is no client

    Signed-off-by: Vladimir Popov <vladimir.popov@xored.com>

    Co-authored-by: Artem Belov <artem.belov@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 v0.0.0-20210218170701-1a72f1cba074
-	github.com/networkservicemesh/sdk v0.0.0-20210301202407-2b058137f32f
+	github.com/networkservicemesh/sdk v0.0.0-20210304150727-68e58775b5d7
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.6.1
 	github.com/vishvananda/netlink v1.1.0

go.sum

@@ -119,8 +119,8 @@ github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OS
 github.com/nats-io/stan.go v0.6.0/go.mod h1:eIcD5bi3pqbHT/xIIvXMwvzXYElgouBvaVRftaE+eac=
 github.com/networkservicemesh/api v0.0.0-20210218170701-1a72f1cba074 h1:lMU+bavS8l0vKZKtCYutUFtTaU5jzTEA7bD/s843XYU=
 github.com/networkservicemesh/api v0.0.0-20210218170701-1a72f1cba074/go.mod h1:qvxdY1Zt4QTtiG+uH1XmjpegeHjlt5Jj4A8iK55iJPI=
-github.com/networkservicemesh/sdk v0.0.0-20210301202407-2b058137f32f h1:AGOH4wgc39p/e/VLiRzGbfn3nRIg0SK1pFusc8uc1tI=
-github.com/networkservicemesh/sdk v0.0.0-20210301202407-2b058137f32f/go.mod h1:IrL3IsUBr/iQrtLQEtmBRFKoIKjYZEW+Z7ZFDt9TbRc=
+github.com/networkservicemesh/sdk v0.0.0-20210304150727-68e58775b5d7 h1:brvUMXl8zJY8aPSuClQf/2SXLtTiy9va7NFqo54aW3o=
+github.com/networkservicemesh/sdk v0.0.0-20210304150727-68e58775b5d7/go.mod h1:IrL3IsUBr/iQrtLQEtmBRFKoIKjYZEW+Z7ZFDt9TbRc=
 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/olekukonko/tablewriter v0.0.1/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=