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

…d-nsmgr@main

PR link: networkservicemesh/cmd-nsmgr#561

Commit: b7931f8
Author: Network Service Mesh Bot
Date: 2022-12-06 03:48:55 -0600
Message:
  - Automatically resolving conflicts in go.mod and updating dependency v…
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:5ab3d46
+        - image: ghcr.io/networkservicemesh/ci/cmd-nsmgr:b7931f8
           imagePullPolicy: IfNotPresent
           name: nsmgr
           ports: