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

…k@main networkservicemesh/sdk#

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

networkservicemesh/sdk commit message:
commit ef04aec9a3cd4abc14d580463f33e911e123c9c8
Author: Uzlov Danil <36223296+d-uzlov@users.noreply.github.com>
Date:   Wed Apr 28 19:35:32 2021 +0700

    Fix check for canceled grpc conn in connectServer (#867)

    * add test that catches connect server neddlessly recreating clients

    Signed-off-by: Danil Uzlov <DanilUzlov@yandex.ru>

    * add flag for error

    Signed-off-by: Danil Uzlov <DanilUzlov@yandex.ru>

    * add leaks check to connect CancelDuringRequest test

    Signed-off-by: Danil Uzlov <DanilUzlov@yandex.ru>

    * use errors.Is instead of direct comparison in connect server

    Signed-off-by: Danil Uzlov <DanilUzlov@yandex.ru>

    * run go mod tidy

    Signed-off-by: Danil Uzlov <DanilUzlov@yandex.ru>

    * fix linter warning

    Signed-off-by: Danil Uzlov <DanilUzlov@yandex.ru>

    * use context as error flag instead of atomic

    Signed-off-by: Danil Uzlov <DanilUzlov@yandex.ru>

    * clean code in connect server cancel test

    Signed-off-by: Danil Uzlov <DanilUzlov@yandex.ru>

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

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/edwarnicke/grpcfd v0.0.0-20210219150442-10fb469a6976
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/networkservicemesh/api v0.0.0-20210417193417-dd329f8d6b7a
-	github.com/networkservicemesh/sdk v0.0.0-20210428094220-c73cc3b535c7
+	github.com/networkservicemesh/sdk v0.0.0-20210428123532-ef04aec9a3cd
 	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

@@ -120,8 +120,8 @@ 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 v0.0.0-20210417193417-dd329f8d6b7a h1:BakXE3Zu+KLMYEgwcfL3zsff5J1DxCt/rI60x6KU5Q4=
 github.com/networkservicemesh/api v0.0.0-20210417193417-dd329f8d6b7a/go.mod h1:B6meq/SWjWR6bGXZdXPfbOeaBK+T1JayLdtEJQCsXKU=
-github.com/networkservicemesh/sdk v0.0.0-20210428094220-c73cc3b535c7 h1:snOoN41emBuVs91FgCZvAs94Hgc7/6VJ4S1JovNg3SU=
-github.com/networkservicemesh/sdk v0.0.0-20210428094220-c73cc3b535c7/go.mod h1:Ur41JD2nQvG58Gc1Ppvdki3tB9VPVZTOl78MW/bYUBM=
+github.com/networkservicemesh/sdk v0.0.0-20210428123532-ef04aec9a3cd h1:sz1Kg5riW9MeBPqtOzzsdGi6tI9Rgx17YlMmf9sa8v0=
+github.com/networkservicemesh/sdk v0.0.0-20210428123532-ef04aec9a3cd/go.mod h1:wV3wbgR7d7BaHJ8yPHtkXEj9jZ0WvZWsfHJMarV4VQ0=
 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=