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

…d-nse-supplier-k8s@main

PR link: networkservicemesh/cmd-nse-supplier-k8s#110

Commit: e1c6ce8
Author: Network Service Mesh Bot
Date: 2021-11-08 00:02:20 -0600
Message:
  - Sync files with networkservicemesh/cmd-template
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/nse-supplier-k8s/supplier.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
         - name: nse-supplier
-          image: ghcr.io/networkservicemesh/ci/cmd-nse-supplier-k8s:4c4acfa
+          image: ghcr.io/networkservicemesh/ci/cmd-nse-supplier-k8s:e1c6ce8
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET