Bump mybatis from 3.5.8 to 3.5.9 in /core

Bumps [mybatis](https://github.com/mybatis/mybatis-3) from 3.5.8 to 3.5.9.
- [Release notes](https://github.com/mybatis/mybatis-3/releases)
- [Commits](mybatis/mybatis-3@mybatis-3.5.8...mybatis-3.5.9)

---
updated-dependencies:
- dependency-name: org.mybatis:mybatis
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

core/pom.xml

@@ -256,7 +256,7 @@
       <dependency>
         <groupId>org.mybatis</groupId>
         <artifactId>mybatis</artifactId>
-        <version>3.5.8</version>
+        <version>3.5.9</version>
       </dependency>
       <dependency>
         <groupId>com.github.javaparser</groupId>