Update application version to latest version from networkservicemesh/…

…cmd-registry-k8s@master networkservicemesh/cmd-registry-k8s#56

networkservicemesh/cmd-registry-k8s PR link: networkservicemesh/cmd-registry-k8s#56

networkservicemesh/cmd-registry-k8s commit message:
commit 8f7ea6d1fa7bebbcb2c9934c458d082985a8e20e
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Wed Mar 17 02:43:52 2021 -0500

    Merge c8ab0585f68892bdaa5ca30d2278faefa2bab5df into e9afaf0e0dfada7c200054daf4228e5995ebb5a7

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:a7fd2941
+        - image: networkservicemeshci/cmd-registry-k8s:8f7ea6d1
           env:
             - name: SPIFFE_ENDPOINT_SOCKET
               value: unix:///run/spire/sockets/agent.sock