Update application version to latest version from networkservicemesh/…

…cmd-nsmgr@master networkservicemesh/cmd-nsmgr#229

networkservicemesh/cmd-nsmgr PR link: networkservicemesh/cmd-nsmgr#229

networkservicemesh/cmd-nsmgr commit message:
commit 31dddf1cbc43236e6f507789a4b5db2075dbef29
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Sun Apr 11 21:43:04 2021 -0500

    Merge bbd749bbbb1b368f04036a68793a44c9f8805c63 into 36cd58f285b724d1fedb43b1fec3185b205f4709

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

apps/nsmgr/nsmgr.yaml

@@ -15,7 +15,7 @@ spec:
         app: nsmgr
     spec:
       containers:
-        - image: networkservicemeshci/cmd-nsmgr:6b1e50b0
+        - image: networkservicemeshci/cmd-nsmgr:31dddf1c
           imagePullPolicy: IfNotPresent
           name: nsmgr
           ports: