Update application version to latest version from networkservicemesh/…

…cmd-nsmgr@master networkservicemesh/cmd-nsmgr#201

networkservicemesh/cmd-nsmgr PR link: networkservicemesh/cmd-nsmgr#201

networkservicemesh/cmd-nsmgr commit message:
commit 68a51bb8477e45207ad0e34c7e8874eed6079c0b
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Mon Mar 15 01:24:41 2021 -0500

    Merge 4bd1a2d1aced3bb1dce00a1af3de8bbfbdaa905f into 0f368c7a3252b9eab06ca4017cd7d6da605b303a

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

apps/nsmgr/nsmgr.yaml

@@ -15,7 +15,7 @@ spec:
         app: nsmgr
     spec:
       containers:
-        - image: networkservicemeshci/cmd-nsmgr:ac8faa9b
+        - image: networkservicemeshci/cmd-nsmgr:68a51bb8
           imagePullPolicy: IfNotPresent
           name: nsmgr
           ports: