[pom] Update to mybatis 3.4.4

Author: hazendaz

pom.xml

@@ -70,7 +70,7 @@
     <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis</artifactId>
-      <version>3.4.2</version>
+      <version>3.4.4</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
@@ -87,7 +87,7 @@
     <dependency>
       <groupId>org.hsqldb</groupId>
       <artifactId>hsqldb</artifactId>
-      <version>2.3.4</version>
+      <version>2.3.4</version> <!-- Version 2.4.0 requires jdk8 -->
       <scope>test</scope>
     </dependency>
   </dependencies>