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

…d-nse-vlan-vpp@main

PR link: networkservicemesh/cmd-nse-vlan-vpp#332

Commit: 21100f2
Author: Network Service Mesh Bot
Date: 2023-08-28 11:43:52 -0500
Message:
  - Update go.mod and go.sum to latest version from networkservicemesh/sd…
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/nse-vlan-vpp/nse.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
         - name: nse
-          image: ghcr.io/networkservicemesh/ci/cmd-nse-vlan-vpp:79e5c2d
+          image: ghcr.io/networkservicemesh/ci/cmd-nse-vlan-vpp:21100f2
           imagePullPolicy: IfNotPresent
           securityContext:
             privileged: true