Migrate KafkaProperties build methods to KafkaConfigBuilder

Proprietary

Replace explicit calls to the four top-level KafkaProperties build methods with KafkaConfigBuilder in Spring Boot 4.2. Nested buildProperties calls, subclass receivers, implicit receivers and method references are left unchanged to preserve their semantics.

io.moderne.java.spring.boot4.MigrateKafkaPropertiesToKafkaConfigBuilder
mod run . --recipe=io.moderne.java.spring.boot4.MigrateKafkaPropertiesToKafkaConfigBuilder

Install it once from Recipe actions, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.