Update application version to latest version from networkservicemesh/…

…cmd-nse-icmp-responder@master networkservicemesh/cmd-nse-icmp-responder#130

networkservicemesh/cmd-nse-icmp-responder PR link: networkservicemesh/cmd-nse-icmp-responder#130

networkservicemesh/cmd-nse-icmp-responder commit message:
commit dc781663daa5a088cfcac07336bb19e260d53f70
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Sun Apr 4 13:34:03 2021 -0500

    Merge da153712fcde283c26f66fb2c1695841e6271c8d into 51f34639bf9471caaeaca0121233e90477241cad

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

apps/nse-kernel/nse.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
         - name: nse
-          image: networkservicemeshci/cmd-nse-icmp-responder:7a7159d5
+          image: networkservicemeshci/cmd-nse-icmp-responder:dc781663
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET