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

…k@master networkservicemesh/sdk#559

networkservicemesh/sdk PR link: networkservicemesh/sdk#559

networkservicemesh/sdk commit message:
commit abb45b1f2a5fe40532f9c18990fba0fec79e0546
Author: Andrey Sobolev <haiodo@users.noreply.github.com>
Date:   Wed Oct 21 21:43:52 2020 +0700

    Fix interpose chain element (#559)

    1. Simplify check for direction, if active connections contain path with longest index, we already visited interpose, if not we not.

    2. Always generate uniq interpose endpoint name.

    Signed-off-by: Andrey Sobolev <haiodo@gmail.com>

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

go.mod

@@ -4,18 +4,16 @@ go 1.14
 
 require (
 	github.com/antonfisher/nested-logrus-formatter v1.1.0
-	github.com/edwarnicke/exechelper v1.0.1
-	github.com/golang/protobuf v1.4.2
+	github.com/edwarnicke/exechelper v1.0.2
+	github.com/edwarnicke/serialize v1.0.0 // indirect
+	github.com/golang/protobuf v1.4.3
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/networkservicemesh/api v0.0.0-20201001183932-93ee44ca6fc4
-	github.com/networkservicemesh/sdk v0.0.0-20201004193320-568d00165341
+	github.com/networkservicemesh/api v0.0.0-20201014184533-ca42a07d7e15
+	github.com/networkservicemesh/sdk v0.0.0-20201021144352-abb45b1f2a5f
 	github.com/sirupsen/logrus v1.6.0
 	github.com/spiffe/go-spiffe/v2 v2.0.0-alpha.4.0.20200528145730-dc11d0c74e85
-	github.com/stretchr/testify v1.5.1
+	github.com/stretchr/testify v1.6.1
 	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
-	golang.org/x/text v0.3.2 // indirect
-	golang.org/x/tools v0.0.0-20200717024301-6ddee64345a6 // indirect
 	google.golang.org/genproto v0.0.0-20200615140333-fd031eab31e7 // indirect
 	google.golang.org/grpc v1.32.0
-	gopkg.in/yaml.v2 v2.2.8 // indirect
 )