[pom] Update mybatis to 3.4.4

Author: hazendaz

pom.xml

@@ -73,7 +73,7 @@
     <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis</artifactId>
-      <version>3.4.2</version>
+      <version>3.4.4</version>
       <scope>provided</scope>
     </dependency>