Update application version to latest version from networkservicemesh/…

…cmd-registry-memory@master networkservicemesh/cmd-registry-memory#178

networkservicemesh/cmd-registry-memory PR link: networkservicemesh/cmd-registry-memory#178

networkservicemesh/cmd-registry-memory commit message:
commit 0540f9b71b28c2264f1520dac7fba08495c5f692
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Fri Jan 15 03:11:16 2021 -0600

    Merge 609d99ba60ef413d404c86af4fa94c0fb54e1872 into b0592cb416548afd64e6013bc92f194c7e1fc9e7

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

apps/registry-memory/registry-memory.yaml

@@ -15,7 +15,7 @@ spec:
         app: nsm-registry
     spec:
       containers:
-        - image: networkservicemeshci/cmd-registry-memory:0a245943
+        - image: networkservicemeshci/cmd-registry-memory:0540f9b7
           env:
             - name: SPIFFE_ENDPOINT_SOCKET
               value: unix:///run/spire/sockets/agent.sock