Update application version to latest version from networkservicemesh/…

…cmd-registry-k8s@master networkservicemesh/cmd-registry-k8s#71

networkservicemesh/cmd-registry-k8s PR link: networkservicemesh/cmd-registry-k8s#71

networkservicemesh/cmd-registry-k8s commit message:
commit 72859ec0655cae1630044a1892385d60cc8efe43
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Wed Mar 31 09:57:45 2021 -0500

    Merge abcaac7170d07697aa4d38588cce65eda614f7c5 into 89b29963c66f3d847ea03d25f77e70f14345b3fd

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:38f95be5
+        - image: networkservicemeshci/cmd-registry-k8s:72859ec0
           env:
             - name: SPIFFE_ENDPOINT_SOCKET
               value: unix:///run/spire/sockets/agent.sock