Bump mysql-connector-java from 5.1.26 to 8.0.28

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 5.1.26 to 8.0.28.
- [Release notes](https://github.com/mysql/mysql-connector-j/releases)
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.0/CHANGES)
- [Commits](mysql/mysql-connector-j@5.1.26...8.0.28)

---
updated-dependencies:
- dependency-name: mysql:mysql-connector-java
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -17,7 +17,7 @@
     <dependency>
     	<groupId>mysql</groupId>
     	<artifactId>mysql-connector-java</artifactId>
-    	<version>5.1.26</version>
+    	<version>8.0.28</version>
     </dependency>
     <dependency>
 	    <groupId>org.json</groupId>