:arrow_up: Bump mysql-connector-java in /blade-core-boot

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 8.0.15 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/8.0.15...8.0.16)

Signed-off-by: dependabot[bot] <support@github.com>

blade-core-boot/pom.xml

@@ -94,7 +94,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.15</version>
+            <version>8.0.16</version>
         </dependency>
         <!-- PostgreSql -->
         <!--<dependency>