[FLINK-36522] Bump mysql-connector-java from 8.0.33 to mysql-connector-j 8.4.0

Author: kartik-3513

Diff for: flink-autoscaler-plugin-jdbc/pom.xml

@@ -34,7 +34,7 @@ under the License.
     <properties>
         <testcontainers.version>1.18.2</testcontainers.version>
         <postgres.version>42.5.6</postgres.version>
-        <mysql.version>8.0.33</mysql.version>
+        <mysql.version>8.4.0</mysql.version>
     </properties>
 
     <dependencyManagement>
@@ -134,8 +134,8 @@ under the License.
 
         <!-- MySQL tests -->
         <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
             <version>${mysql.version}</version>
             <scope>test</scope>
         </dependency>