Bump mysql-connector-java in /modules/junit-jupiter

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 8.0.22 to 8.0.25.
- [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@8.0.22...8.0.25)

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

modules/junit-jupiter/build.gradle

@@ -16,7 +16,7 @@ dependencies {
     testCompile 'org.junit.jupiter:junit-jupiter-params:5.7.1'
 
     testRuntime 'org.postgresql:postgresql:42.2.20'
-    testRuntime 'mysql:mysql-connector-java:8.0.22'
+    testRuntime 'mysql:mysql-connector-java:8.0.25'
     testRuntime 'org.junit.jupiter:junit-jupiter-engine:5.7.2'
 }