Update application version to latest version from networkservicemesh/…

…cmd-registry-memory@master networkservicemesh/cmd-registry-memory#238

networkservicemesh/cmd-registry-memory PR link: networkservicemesh/cmd-registry-memory#238

networkservicemesh/cmd-registry-memory commit message:
commit e53d9056acb6038a7541de988b7f45ae83738313
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Mon Mar 22 03:11:00 2021 -0500

    Merge ef95ba6eba58726ee4a7f43b9e57b6a233159fcf into f28661c3b04162048ee26a57794466e0d3dc5f4b

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:8f20867d
+        - image: networkservicemeshci/cmd-registry-memory:e53d9056
           env:
             - name: SPIFFE_ENDPOINT_SOCKET
               value: unix:///run/spire/sockets/agent.sock