Merge pull request #14 from ehlxr/dependabot/maven/org.mybatis-mybatis-3.5.6

Bump mybatis from 3.2.7 to 3.5.6

pom.xml

@@ -18,7 +18,7 @@
 
         <spring.version>5.2.6.RELEASE</spring.version>
         <servlet.version>2.5</servlet.version>
-        <mybatis.version>3.2.7</mybatis.version>
+        <mybatis.version>3.5.6</mybatis.version>
         <mybatis.spring.version>1.1.1</mybatis.spring.version>
         <mybatis.generator.core.version>1.4.0</mybatis.generator.core.version>
         <file_encoding>utf-8</file_encoding>