Update application version to latest version from networkservicemesh/…

…cmd-nse-icmp-responder-vpp@master networkservicemesh/cmd-nse-icmp-responder-vpp#54

networkservicemesh/cmd-nse-icmp-responder-vpp PR link: networkservicemesh/cmd-nse-icmp-responder-vpp#54

networkservicemesh/cmd-nse-icmp-responder-vpp commit message:
commit f761afaaf510b454b67cf4efb836443205a06889
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Thu Apr 1 00:21:39 2021 -0500

    Merge f4a4b0bdaf884aff5d60e80a5d8262231d281fa4 into ec12fd6c7eace4cfa624f211565964a1e2a2f2d5

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:7e03bfc5
+          image: networkservicemeshci/cmd-nse-icmp-responder-vpp:f761afaa
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET