Update application version to latest version from networkservicemesh/…

…cmd-nsmgr@main networkservicemesh/cmd-nsmgr#

networkservicemesh/cmd-nsmgr PR link: https://github.com/networkservicemesh/cmd-nsmgr/pull/

networkservicemesh/cmd-nsmgr commit message:
commit 2df71419e0ee404e67adcb6d7d6a73af2e09fedd
Author: Network Service Mesh Bot <60070799+nsmbot@users.noreply.github.com>
Date:   Sat Apr 17 16:12:51 2021 -0500

    Sync files with networkservicemesh/cmd-template (#242)

    This PR syncs files with https://github.com/networkservicemesh/cmd-template

    Revision: https://github.com/networkservicemesh/cmd-template/commits/53a5c472676275aa3889aba5a67583b8044b0822

    commit 53a5c472676275aa3889aba5a67583b8044b0822
    Author: Ed Warnicke <hagbard@gmail.com>
    Date:   Sat Apr 17 15:57:53 2021 -0500

        Migrate from 'master' default branch to 'main' (#71)

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

    Co-authored-by: NSMBot <nsmbot@networkservicmesh.io>

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

apps/nsmgr/nsmgr.yaml

@@ -15,7 +15,7 @@ spec:
         app: nsmgr
     spec:
       containers:
-        - image: networkservicemeshci/cmd-nsmgr:3bcb19cb
+        - image: networkservicemeshci/cmd-nsmgr:2df71419
           imagePullPolicy: IfNotPresent
           name: nsmgr
           ports: