Update application version to latest version from networkservicemesh/…

…cmd-nsmgr@master networkservicemesh/cmd-nsmgr#190

networkservicemesh/cmd-nsmgr PR link: networkservicemesh/cmd-nsmgr#190

networkservicemesh/cmd-nsmgr commit message:
commit 18d5438dea3105b35da9b4c4de7dc56b9828ac91
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Sun Feb 28 21:52:43 2021 -0600

    Merge 334cc5ff7379888d191bb9c79d6e5854065a33db into 31a5ec90223fc0fb62748b5125ec95833419fffc

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

apps/nsmgr/nsmgr.yaml

@@ -15,7 +15,7 @@ spec:
         app: nsmgr
     spec:
       containers:
-        - image: networkservicemeshci/cmd-nsmgr:ccdc61fa
+        - image: networkservicemeshci/cmd-nsmgr:18d5438d
           imagePullPolicy: IfNotPresent
           name: nsmgr
           ports: