Bump mybatis-spring from 2.0.3 to 2.0.4

Bumps [mybatis-spring](https://github.com/mybatis/spring) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/mybatis/spring/releases)
- [Commits](https://github.com/mybatis/spring/compare/mybatis-spring-2.0.3...mybatis-spring-2.0.4)

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

build.gradle

@@ -21,7 +21,7 @@ ext {
 
     libraries = [
         mybatisVersion = '3.5.4',
-        mybatisSpringVersion = '2.0.3',
+        mybatisSpringVersion = '2.0.4',
         mybatisSpringBootStarterVersion = '2.1.2',
         springVersion = '5.2.4.RELEASE',
         springBootVersion = '2.2.5.RELEASE',