Bump mysql-connector-java

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 5.1.45 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@5.1.45...8.0.16)

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Author: dependabot[bot]

07-spring-security-5/bonus-code-spring-security-user-registration/pom.xml

@@ -53,7 +53,7 @@
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>5.1.45</version>
+			<version>8.0.16</version>
 		</dependency>
 
 		<dependency>