Add cloudnativebuildpack to dependencies

Update the managed dependencies to include the recently added
`spring-boot-cloudnativebuildpack` module.

See gh-19828

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -1421,6 +1421,7 @@ bom {
 				'spring-boot-actuator-autoconfigure',
 				'spring-boot-autoconfigure',
 				'spring-boot-autoconfigure-processor',
+				'spring-boot-cloudnativebuildpack',
 				'spring-boot-configuration-metadata',
 				'spring-boot-configuration-processor',
 				'spring-boot-devtools',