Update application version to latest version from networkservicemesh/…

…cmd-registry-memory@master networkservicemesh/cmd-registry-memory#251

networkservicemesh/cmd-registry-memory PR link: networkservicemesh/cmd-registry-memory#251

networkservicemesh/cmd-registry-memory commit message:
commit b9acc07b09d65763cffc5497d2f9fa81210e7f95
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Thu Apr 1 00:15:22 2021 -0500

    Merge 223b2cdfa7f1582c9579ebd399fb7822cec23093 into 44d9db75072b38f53ac3e1a52b796276c63b2e9f

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:44d9db75
+        - image: networkservicemeshci/cmd-registry-memory:b9acc07b
           env:
             - name: SPIFFE_ENDPOINT_SOCKET
               value: unix:///run/spire/sockets/agent.sock