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

…d-nsmgr@main

PR link: networkservicemesh/cmd-nsmgr#444

Commit: 3c09e96
Author: Nikita Skrynnik
Date: 2022-01-25 16:08:51 +0700
Message:
  - sync with template (#444)
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:74f1cd6
+        - image: ghcr.io/networkservicemesh/ci/cmd-nsmgr:3c09e96
           imagePullPolicy: IfNotPresent
           name: nsmgr
           ports: