[maven] (deps-dev): Bump com.baomidou:mybatis-plus-boot-starter-test (#85)

Bumps [com.baomidou:mybatis-plus-boot-starter-test](https://github.com/baomidou/mybatis-plus) from 3.5.7 to 3.5.8.
- [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@v3.5.7...v3.5.8)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

spring-boot-mybatis/mybatis-plus/pom.xml

@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.baomidou</groupId>
       <artifactId>mybatis-plus-boot-starter-test</artifactId>
-      <version>3.5.7</version>
+      <version>3.5.8</version>
       <scope>test</scope>
     </dependency>
   </dependencies>