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

…d-registry-proxy-dns@main

PR link: networkservicemesh/cmd-registry-proxy-dns#496

Commit: 6cc785c
Author: Denis Tingaikin
Date: 2022-05-30 02:26:00 +0300
Message:
  - Merge pull request #496 from NikitaSkrynnik/tls12
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/registry-proxy-dns/registry-proxy-dns.yaml

@@ -16,7 +16,7 @@ spec:
         "spiffe.io/spiffe-id": "true"
     spec:
       containers:
-        - image: ghcr.io/networkservicemesh/ci/cmd-registry-proxy-dns:a8d1ea6
+        - image: ghcr.io/networkservicemesh/ci/cmd-registry-proxy-dns:6cc785c
           env:
             - name: SPIFFE_ENDPOINT_SOCKET
               value: unix:///run/spire/sockets/agent.sock