Update application version to latest version from networkservicemesh/…

…cmd-nsmgr-proxy@main networkservicemesh/cmd-nsmgr-proxy#

networkservicemesh/cmd-nsmgr-proxy PR link: https://github.com/networkservicemesh/cmd-nsmgr-proxy/pull/

networkservicemesh/cmd-nsmgr-proxy commit message:
commit f9969676f249973208c4c421f2513f6957c0ae6d
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Wed Jun 9 03:16:03 2021 -0500

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

Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

apps/nsmgr-proxy/nsmgr-proxy.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       serviceAccount: nsmgr-proxy-sa
       containers:
-        - image: ghcr.io/networkservicemesh/ci/cmd-nsmgr-proxy:46099e7
+        - image: ghcr.io/networkservicemesh/ci/cmd-nsmgr-proxy:f996967
           imagePullPolicy: IfNotPresent
           name: nsmgr-proxy
           ports: