Bump io.spring.gradle:dependency-management-plugin from 1.1.3 to 1.1.5 (#6136)

Bumps [io.spring.gradle:dependency-management-plugin](https://github.com/spring-gradle-plugins/dependency-management-plugin) from 1.1.3 to 1.1.5.
- [Release notes](https://github.com/spring-gradle-plugins/dependency-management-plugin/releases)
- [Commits](https://github.com/spring-gradle-plugins/dependency-management-plugin/compare/v1.1.3...v1.1.5)

---
updated-dependencies:
- dependency-name: io.spring.gradle:dependency-management-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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mybatis-plus-bom/build.gradle

@@ -4,7 +4,7 @@ buildscript {
         maven { url "https://repo.spring.io/plugins-release" }
     }
     dependencies {
-        classpath "io.spring.gradle:dependency-management-plugin:1.1.3"
+        classpath "io.spring.gradle:dependency-management-plugin:1.1.5"
     }
 }