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

…d-nsmgr-proxy@main

PR link: networkservicemesh/cmd-nsmgr-proxy#281

Commit: 454115f
Author: Denis Tingaikin
Date: 2022-01-17 12:25:13 +0300
Message:
  - Merge pull request #281 from NikitaSkrynnik/update-manually
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/nsmgr-proxy/nsmgr-proxy.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       serviceAccount: nsmgr-proxy-sa
       containers:
-        - image: ghcr.io/networkservicemesh/ci/cmd-nsmgr-proxy:e21f35a
+        - image: ghcr.io/networkservicemesh/ci/cmd-nsmgr-proxy:454115f
           imagePullPolicy: IfNotPresent
           name: nsmgr-proxy
           ports: