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

…d-nsmgr@main

PR link: networkservicemesh/cmd-nsmgr#438

Commit: 696dcd8
Author: Network Service Mesh Bot
Date: 2021-12-29 02:39:14 -0600
Message:
  - Update go.mod and go.sum to latest version from networkservicemesh/sd…
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/nsmgr/nsmgr.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       serviceAccount: nsmgr-sa
       containers:
-        - image: ghcr.io/networkservicemesh/ci/cmd-nsmgr:a72c6c7
+        - image: ghcr.io/networkservicemesh/ci/cmd-nsmgr:696dcd8
           imagePullPolicy: IfNotPresent
           name: nsmgr
           ports: