Merge pull request #31794 from chuckbutler/messaging-uniformity

Automatic merge from submit-queue

move '(master)' to end of message for uniformity

**What this PR does / why we need it**: This is a small polish operation on the kubernetes charm wrt juju status output.


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This changes the status output from:

```
kubernetes/0  active    idle   3        172.27.24.54    8088/tcp
Kubernetes running.
kubernetes/1  active    idle   4        172.27.24.55    6443/tcp
(master) Kubernetes services started
```
 to this:
 ```
 kubernetes/0  active    idle   3        172.27.24.54    8088/tcp
 Kubernetes running.
 kubernetes/1  active    idle   4        172.27.24.55    6443/tcp
 Kubernetes services started (master)
 ```

cluster/juju/layers/kubernetes/reactive/k8s.py

@@ -468,7 +468,7 @@ def render_files(reldata=None):
 def status_set(level, message):
     '''Output status message with leadership information.'''
     if is_leader():
-        message = '(master) {0}'.format(message)
+        message = '{0} (master) '.format(message)
     hookenv.status_set(level, message)