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

…d-nse-supplier-k8s@main

PR link: networkservicemesh/cmd-nse-supplier-k8s#133

Commit: e256f97
Author: Denis Tingaikin
Date: 2021-12-16 13:57:38 +0300
Message:
  - Merge pull request #133 from Mixaster995/qfix/manual-update
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:569033d
+          image: ghcr.io/networkservicemesh/ci/cmd-nse-supplier-k8s:e256f97
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET