Bump org.springframework.boot from 3.2.1 to 3.2.4

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 3.2.1 to 3.2.4.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.1...v3.2.4)

---
updated-dependencies:
- dependency-name: org.springframework.boot
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -14,7 +14,7 @@ plugins {
     id 'io.spring.dependency-management' version '1.1.4'
 
     // ... but not a web application
-    id 'org.springframework.boot' version '3.2.1'
+    id 'org.springframework.boot' version '3.2.4'
 }
 
 group = 'de.kaasy'