Bump mysql-connector-java in /springbt_uid_generator/uid-consumer

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 8.0.12 to 8.0.16.
- [Release notes](https://github.com/mysql/mysql-connector-j/releases)
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.0/CHANGES)
- [Commits](https://github.com/mysql/mysql-connector-j/compare/8.0.12...8.0.16)
Signed-off-by: Ndependabot[bot] <support@github.com>

springbt_uid_generator/uid-consumer/pom.xml

@@ -42,7 +42,7 @@
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
             <scope>runtime</scope>
-            <version>8.0.12</version>
+            <version>8.0.16</version>
         </dependency>
 
         <!-- druid -->