Bump mysql-connector-java from 5.1.48 to 8.0.16

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 5.1.48 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](mysql/mysql-connector-j@5.1.48...8.0.16)

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

pom.xml

@@ -48,7 +48,7 @@
         <cglib.version>3.3.0</cglib.version>
         <HikariCP.version>3.4.5</HikariCP.version>
         <jackson.version>2.12.1</jackson.version>
-        <mysql.version>5.1.49</mysql.version>
+        <mysql.version>8.0.16</mysql.version>
         <undertow.version>2.2.3.Final</undertow.version>
         <slf4j.version>1.7.30</slf4j.version>
         <fst.version>2.57</fst.version>