Add pulsar starters into dependency management

Spring for Apache Pulsar was added, introducing two new starters.
Those starters should be listed in dependency management.

See gh-37272

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

@@ -1420,6 +1420,8 @@ bom {
 				"spring-boot-starter-oauth2-authorization-server",
 				"spring-boot-starter-oauth2-client",
 				"spring-boot-starter-oauth2-resource-server",
+				"spring-boot-starter-pulsar",
+				"spring-boot-starter-pulsar-reactive",
 				"spring-boot-starter-quartz",
 				"spring-boot-starter-reactor-netty",
 				"spring-boot-starter-rsocket",