(v4.2.x): Bump org.springframework.boot:spring-boot-dependencies

Bumps [org.springframework.boot:spring-boot-dependencies](https://github.com/spring-projects/spring-boot) from 3.2.8 to 3.2.9.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.8...v3.2.9)

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

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

build.gradle

@@ -17,7 +17,7 @@
 buildscript {
 	ext {
 		// Spring Dependencies
-		springBootVersion = "3.2.8"
+		springBootVersion = "3.2.9"
 
 		// External Dependencies
 		beanUtilsVersion = "1.9.4"