Update application version to latest version from networkservicemesh/…

…cmd-registry-k8s@master networkservicemesh/cmd-registry-k8s#54

networkservicemesh/cmd-registry-k8s PR link: networkservicemesh/cmd-registry-k8s#54

networkservicemesh/cmd-registry-k8s commit message:
commit 3f3f0a33ced04404c86e1ee5e1f355c7bba1823a
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Mon Mar 15 12:25:17 2021 -0500

    Merge a714add7ef3c54ab3bf8abc699fdb6e66268f2e3 into 885183a212139ef72027f27af88b746331bf2fc0

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

apps/registry-k8s/registry-k8s.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       serviceAccountName: registry-k8s-sa
       containers:
-        - image: networkservicemeshci/cmd-registry-k8s:f56d824d
+        - image: networkservicemeshci/cmd-registry-k8s:3f3f0a33
           env:
             - name: SPIFFE_ENDPOINT_SOCKET
               value: unix:///run/spire/sockets/agent.sock