Update application version to latest version from networkservicemesh/…

…cmd-nsc-vpp@master networkservicemesh/cmd-nsc-vpp#55

networkservicemesh/cmd-nsc-vpp PR link: networkservicemesh/cmd-nsc-vpp#55

networkservicemesh/cmd-nsc-vpp commit message:
commit c81b4c369ee57b8bb2239515d3228c4061ce77cd
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Fri Apr 2 14:57:52 2021 -0500

    Merge 74b932c50b5f557cf399a8c8e15cfc234e39155d into 8b14498e771f5cc8e18d9cad4cdd755c49f61a11

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

apps/nsc-memif/nsc.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
         - name: nsc
-          image: networkservicemeshci/cmd-nsc-vpp:01ce8303
+          image: networkservicemeshci/cmd-nsc-vpp:c81b4c36
           imagePullPolicy: IfNotPresent
           env:
             - name: NSM_REQUEST_TIMEOUT