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

…d-forwarder-vpp@main

PR link: networkservicemesh/cmd-forwarder-vpp#396

Commit: 8ad622e
Author: Network Service Mesh Bot
Date: 2021-11-11 10:25:45 -0600
Message:
  - Update go.mod and go.sum to latest version from networkservicemesh/sd…
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/forwarder-vpp/forwarder.yaml

@@ -18,7 +18,7 @@ spec:
       hostNetwork: true
       dnsPolicy: ClusterFirstWithHostNet
       containers:
-        - image: ghcr.io/networkservicemesh/ci/cmd-forwarder-vpp:19e1371
+        - image: ghcr.io/networkservicemesh/ci/cmd-forwarder-vpp:8ad622e
           imagePullPolicy: IfNotPresent
           name: forwarder-vpp
           securityContext: