Merge pull request #186 from aliyun/dependabot/maven/arms-demo/mock-dao/mysql-mysql-connector-java-8.0.28

Bump mysql:mysql-connector-java from 8.0.16 to 8.0.28 in /arms-demo/mock-dao

Author: ralf0131

arms-demo/mock-dao/pom.xml

@@ -37,7 +37,7 @@
                     <dependency>
                         <groupId>mysql</groupId>
                         <artifactId>mysql-connector-java</artifactId>
-                        <version>8.0.16</version>
+                        <version>8.0.28</version>
                     </dependency>
                 </dependencies>
             </plugin>