Bump org.mybatis:mybatis from 3.5.5 to 3.5.6 in /arms-demo/mock-dao

Bumps [org.mybatis:mybatis](https://github.com/mybatis/mybatis-3) from 3.5.5 to 3.5.6.
- [Release notes](https://github.com/mybatis/mybatis-3/releases)
- [Commits](mybatis/mybatis-3@mybatis-3.5.5...mybatis-3.5.6)

---
updated-dependencies:
- dependency-name: org.mybatis:mybatis
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

arms-demo/mock-dao/pom.xml

@@ -16,7 +16,7 @@
         <dependency>
             <groupId>org.mybatis</groupId>
             <artifactId>mybatis</artifactId>
-            <version>3.5.5</version>
+            <version>3.5.6</version>
         </dependency>
     </dependencies>
     <properties>