chore(deps): update dependency com.mysql:mysql-connector-j to v8.4.0

Author: renovate[bot]

pom.xml

@@ -259,7 +259,7 @@
     <dependency>
       <groupId>com.mysql</groupId>
       <artifactId>mysql-connector-j</artifactId>
-      <version>8.3.0</version>
+      <version>8.4.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>