[pom] Add property declaring Automatic-Module-Name

See mybatis/parent#123

Author: harawata

pom.xml

@@ -108,6 +108,7 @@
     <mybatis.version>3.5.0-SNAPSHOT</mybatis.version>
     <spring.version>5.1.3.RELEASE</spring.version>
     <spring-batch.version>4.1.0.RELEASE</spring-batch.version>
+    <module.name>org.mybatis.spring</module.name>
 
     <junit.version>5.3.2</junit.version>
   </properties>