Bump mysql-connector-java from 5.1.20 to 8.0.16

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 5.1.20 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/5.1.20...8.0.16)
Signed-off-by: Ndependabot[bot] <support@github.com>

pom.xml

@@ -112,7 +112,7 @@
 			<dependency>
 				<groupId>mysql</groupId>
 				<artifactId>mysql-connector-java</artifactId>
-				<version>5.1.20</version>
+				<version>8.0.16</version>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.hadoop</groupId>