Update application version to latest version from networkservicemesh/…

…cmd-nse-icmp-responder@master networkservicemesh/cmd-nse-icmp-responder#63

networkservicemesh/cmd-nse-icmp-responder PR link: networkservicemesh/cmd-nse-icmp-responder#63

networkservicemesh/cmd-nse-icmp-responder commit message:
commit f9a4c74164bc67b674601201006420e7fb5ca385
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Mon Feb 1 00:11:02 2021 -0600

    Merge dfa2cdc9759ad6cc5875a78c404fec125d052ee8 into 6526fb6cc549f8e1da5633f71d2349ee44ac905c

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:d00e6c1f
+          image: networkservicemeshci/cmd-nse-icmp-responder:f9a4c741
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET