build(deps): bump com.baomidou:mybatis-plus-boot-starter

Bumps [com.baomidou:mybatis-plus-boot-starter](https://github.com/baomidou/mybatis-plus) from 3.5.5 to 3.5.9.
- [Release notes](https://github.com/baomidou/mybatis-plus/releases)
- [Changelog](https://github.com/baomidou/mybatis-plus/blob/3.0/CHANGELOG.md)
- [Commits](baomidou/mybatis-plus@v3.5.5...v3.5.9)

---
updated-dependencies:
- dependency-name: com.baomidou:mybatis-plus-boot-starter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

sonic-server-controller/pom.xml

@@ -83,7 +83,7 @@
         <dependency>
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-boot-starter</artifactId>
-            <version>3.5.5</version>
+            <version>3.5.9</version>
         </dependency>
         <dependency>
             <groupId>com.gitee.sunchenbin.mybatis.actable</groupId>