Update dependency io.spring.gradle:dependency-management-plugin to v1.1.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.spring.gradle:dependency-management-plugin	1.1.3 -> 1.1.4

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Release Notes

spring-gradle-plugins/dependency-management-plugin (io.spring.gradle:dependency-management-plugin)

### [`v1.1.4`](https://togithub.com/spring-gradle-plugins/dependency-management-plugin/releases/tag/v1.1.4) #### :lady_beetle: Bug Fixes - Dependencies declared in a platform are excluded unless applyMavenExclusions is set to false [#​368](https://togithub.com/spring-gradle-plugins/dependency-management-plugin/issues/368) - Invalid pom is produced when using both the dependency management plugin and Gradle's bom support [#​257](https://togithub.com/spring-gradle-plugins/dependency-management-plugin/issues/257) #### :notebook_with_decorative_cover: Documentation - Typo in "Importing a Maven Bom" example [#​366](https://togithub.com/spring-gradle-plugins/dependency-management-plugin/issues/366)

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