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

…d-exclude-prefixes-k8s@main

PR link: networkservicemesh/cmd-exclude-prefixes-k8s#109

Commit: 6408c50
Author: Network Service Mesh Bot
Date: 2022-03-15 03:27:26 -0500
Message:
  - Update go.mod and go.sum to latest version from networkservicemesh/sd…
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/nsmgr/nsmgr.yaml

@@ -67,7 +67,7 @@ spec:
           livenessProbe:
             exec:
               command: ["/bin/grpc-health-probe", "-spiffe", "-addr=:5001"]
-        - image: ghcr.io/networkservicemesh/ci/cmd-exclude-prefixes-k8s:e195557
+        - image: ghcr.io/networkservicemesh/ci/cmd-exclude-prefixes-k8s:6408c50
           imagePullPolicy: IfNotPresent
           name: exclude-prefixes
           env: