Add support for Apache Pulsar

Add support for Apache Pulsar using the Spring for Apache Pulsar
project.

See gh-34763

Co-authored-by: Phillip Webb <pwebb@vmware.com>

buildSrc/src/main/java/org/springframework/boot/build/context/properties/DocumentConfigurationProperties.java

@@ -171,6 +171,7 @@ public class DocumentConfigurationProperties extends DefaultTask {
 		prefix.accept("spring.integration");
 		prefix.accept("spring.jms");
 		prefix.accept("spring.kafka");
+		prefix.accept("spring.pulsar");
 		prefix.accept("spring.rabbitmq");
 		prefix.accept("spring.hazelcast");
 		prefix.accept("spring.webservices");