Merge pull request #2371 from alibaba/dependabot/maven/spring-cloud-alibaba-examples/seata-example/storage-service/mysql-mysql-connector-java-8.0.16

Bump mysql-connector-java from 5.1.31 to 8.0.16 in /spring-cloud-alibaba-examples/seata-example/storage-service

spring-cloud-alibaba-examples/seata-example/storage-service/pom.xml

@@ -42,7 +42,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.31</version>
+            <version>8.0.16</version>
         </dependency>
         <dependency>
             <groupId>log4j</groupId>