Bump io.spring.dependency-management from 1.1.0 to 1.1.5 in /initial

Bumps [io.spring.dependency-management](https://github.com/spring-gradle-plugins/dependency-management-plugin) from 1.1.0 to 1.1.5.
- [Release notes](https://github.com/spring-gradle-plugins/dependency-management-plugin/releases)
- [Commits](spring-gradle-plugins/dependency-management-plugin@v1.1.0...v1.1.5)

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

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

initial/build.gradle

@@ -1,7 +1,7 @@
 plugins {
 	id 'java'
 	id 'org.springframework.boot' version '3.2.0'
-	id 'io.spring.dependency-management' version '1.1.0'
+	id 'io.spring.dependency-management' version '1.1.5'
 	id 'com.vaadin' version '24.3.0'
 }