Update test dependencies

Author: rbygrave

ebean-migration/pom.xml

@@ -71,9 +71,9 @@
     </dependency>
 
     <dependency>
-      <groupId>mysql</groupId>
-      <artifactId>mysql-connector-java</artifactId>
-      <version>8.0.28</version>
+      <groupId>com.mysql</groupId>
+      <artifactId>mysql-connector-j</artifactId>
+      <version>8.3.0</version>
       <scope>test</scope>
     </dependency>
 
@@ -127,9 +127,9 @@ mvn install:install-file -Dfile=/some/path/to/ojdbc7.jar -DgroupId=oracle \
     <!--    </dependency>-->
 
     <dependency>
-      <groupId>org.avaje.composite</groupId>
-      <artifactId>logback</artifactId>
-      <version>1.1</version>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+      <version>1.5.2</version>
       <scope>test</scope>
     </dependency>