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

…d-nsc-vpp@main

PR link: networkservicemesh/cmd-nsc-vpp#439

Commit: e82012f
Author: Artem Glazychev
Date: 2022-05-30 19:04:09 +0700
Message:
  - bump: update to go v1.18 (#439)
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:ccba6a8
+          image: ghcr.io/networkservicemesh/ci/cmd-nsc-vpp:e82012f
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET