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

…d-registry-memory@main

PR link: networkservicemesh/cmd-registry-memory#520

Commit: 863fbdd
Author: Artem Glazychev
Date: 2022-05-30 19:07:40 +0700
Message:
  - bump: update to go v1.18 (#520)
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/registry-memory/registry-memory.yaml

@@ -16,7 +16,7 @@ spec:
         "spiffe.io/spiffe-id": "true"
     spec:
       containers:
-        - image: ghcr.io/networkservicemesh/ci/cmd-registry-memory:67235e8
+        - image: ghcr.io/networkservicemesh/ci/cmd-registry-memory:863fbdd
           env:
             - name: SPIFFE_ENDPOINT_SOCKET
               value: unix:///run/spire/sockets/agent.sock