Bump mysql-connector-java from 8.0.16 to 8.0.17 in /modules/mysql (#1633)

Author: dependabot-preview[bot]

modules/mysql/build.gradle

@@ -3,7 +3,7 @@ description = "Testcontainers :: JDBC :: MySQL"
 dependencies {
     compile project(':jdbc')
 
-    testCompile 'mysql:mysql-connector-java:8.0.16'
+    testCompile 'mysql:mysql-connector-java:8.0.17'
     testCompile 'com.zaxxer:HikariCP-java6:2.3.13'
     testCompile 'org.apache.tomcat:tomcat-jdbc:9.0.22'
     testCompile 'commons-dbutils:commons-dbutils:1.7'