Update application version to latest version from networkservicemesh/…

…cmd-nse-icmp-responder-vpp@master networkservicemesh/cmd-nse-icmp-responder-vpp#39

networkservicemesh/cmd-nse-icmp-responder-vpp PR link: networkservicemesh/cmd-nse-icmp-responder-vpp#39

networkservicemesh/cmd-nse-icmp-responder-vpp commit message:
commit 7c441981f81ad10eacfbb8e1fca753cdf7eb5c1d
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Wed Mar 17 08:25:16 2021 -0500

    Merge 8bf04a8303e39479ec26bec46d25a08d50aa4c96 into ee6d983e4e84399a459ddbcfe7a1cf2f105c4ae8

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

apps/nse-memif/nse.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
         - name: nse
-          image: networkservicemeshci/cmd-nse-icmp-responder-vpp:6eadab35
+          image: networkservicemeshci/cmd-nse-icmp-responder-vpp:7c441981
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET