Bump mariadb-java-client from 2.4.0 to 2.4.1 in /modules/mariadb

Bumps [mariadb-java-client](https://github.com/MariaDB/mariadb-connector-j) from 2.4.0 to 2.4.1.
- [Release notes](https://github.com/MariaDB/mariadb-connector-j/releases)
- [Commits](https://github.com/MariaDB/mariadb-connector-j/commits)

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

Author: dependabot-support

modules/mariadb/build.gradle

@@ -3,7 +3,7 @@ description = "Testcontainers :: JDBC :: MariaDB"
 dependencies {
     compile project(':jdbc')
 
-    testCompile 'org.mariadb.jdbc:mariadb-java-client:2.4.0'
+    testCompile 'org.mariadb.jdbc:mariadb-java-client:2.4.1'
     testCompile 'com.zaxxer:HikariCP-java6:2.3.13'
     testCompile 'commons-dbutils:commons-dbutils:1.7'
     testCompile 'org.apache.tomcat:tomcat-jdbc:9.0.16'