Update application version to latest version from networkservicemesh/…

…cmd-nse-icmp-responder-vpp@master networkservicemesh/cmd-nse-icmp-responder-vpp#34

networkservicemesh/cmd-nse-icmp-responder-vpp PR link: networkservicemesh/cmd-nse-icmp-responder-vpp#34

networkservicemesh/cmd-nse-icmp-responder-vpp commit message:
commit b8f586b954c9c7f52f8c72082a0771830f8690b3
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Mon Mar 15 06:30:33 2021 +0000

    Merge 5425efbfadbb1d4a828b27c8b05afeb619ce8762 into 51ed1c7ef45578f12d0c098d28b5babc1ea920d8

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:98fe3cbe
+          image: networkservicemeshci/cmd-nse-icmp-responder-vpp:b8f586b9
           imagePullPolicy: IfNotPresent
           env:
             - name: SPIFFE_ENDPOINT_SOCKET