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

…d-nsc-vpp@main

PR link: networkservicemesh/cmd-nsc-vpp#555

Commit: 8a4355b
Author: Nikita Skrynnik
Date: 2023-08-10 07:50:49 +0700
Message:
  - fix release workflow (#555)
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/nsc-memif/nsc.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
         - name: nsc
-          image: ghcr.io/networkservicemesh/ci/cmd-nsc-vpp:34a6b54
+          image: ghcr.io/networkservicemesh/ci/cmd-nsc-vpp:8a4355b
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET