Update outdated content on M118-M125 + Pre-apply source updates on 34359 and one more

content/ko/examples/application/mysql/mysql-services.yaml

@@ -5,6 +5,7 @@ metadata:
   name: mysql
   labels:
     app: mysql
+    app.kubernetes.io/name: mysql
 spec:
   ports:
   - name: mysql
@@ -21,6 +22,8 @@ metadata:
   name: mysql-read
   labels:
     app: mysql
+    app.kubernetes.io/name: mysql
+    readonly: "true"
 spec:
   ports:
   - name: mysql