Update common-labels.md (#15058)

Small change, but consistent ordering reads nicer to those looking for the difference between each block.

content/en/docs/concepts/overview/working-with-objects/common-labels.md

@@ -145,10 +145,10 @@ metadata:
   labels:
     app.kubernetes.io/name: mysql
     app.kubernetes.io/instance: mysql-abcxzy
+    app.kubernetes.io/version: "5.7.21"
     app.kubernetes.io/managed-by: helm
     app.kubernetes.io/component: database
     app.kubernetes.io/part-of: wordpress
-    app.kubernetes.io/version: "5.7.21"
 ...
 ```
 
@@ -161,10 +161,10 @@ metadata:
   labels:
     app.kubernetes.io/name: mysql
     app.kubernetes.io/instance: mysql-abcxzy
+    app.kubernetes.io/version: "5.7.21"
     app.kubernetes.io/managed-by: helm
     app.kubernetes.io/component: database
     app.kubernetes.io/part-of: wordpress
-    app.kubernetes.io/version: "5.7.21"
 ...
 ```