Fix links in Spring Pulsar section of ref guide

Spring for Apache Pulsar recently moved to Antora docs which in turn
modified the base url slightly. This commmit adjusts for the move.

See gh-37986

Author: onobc

spring-boot-project/spring-boot-docs/src/docs/asciidoc/attributes.adoc

@@ -90,7 +90,7 @@
 :spring-integration: https://spring.io/projects/spring-integration
 :spring-integration-docs: https://docs.spring.io/spring-integration/reference/{spring-integration-version}/
 :spring-kafka-docs: https://docs.spring.io/spring-kafka/docs/{spring-kafka-version}/reference/
-:spring-pulsar-docs: https://docs.spring.io/spring-pulsar/docs/{spring-pulsar-version}/reference/html/
+:spring-pulsar-docs: https://docs.spring.io/spring-pulsar/docs/{spring-pulsar-version}/reference/
 :spring-restdocs: https://spring.io/projects/spring-restdocs
 :spring-security: https://spring.io/projects/spring-security
 :spring-security-docs: https://docs.spring.io/spring-security/reference/{spring-security-version}

spring-boot-project/spring-boot-docs/src/docs/asciidoc/messaging/pulsar.adoc

@@ -57,9 +57,9 @@ If you use other forms, such as `issuerurl` or `issuer-url`, the setting will no
 [[messaging.pulsar.connecting.ssl]]
 ==== SSL
 By default, Pulsar clients communicate with Pulsar services in plain text.
-You can follow {spring-pulsar-docs}#tls-encryption[these steps] in the Spring for Apache Pulsar reference documentation to enable TLS encryption.
+You can follow {spring-pulsar-docs}reference/pulsar.html#tls-encryption[these steps] in the Spring for Apache Pulsar reference documentation to enable TLS encryption.
 
-For complete details on the client and authentication see the Spring for Apache Pulsar {spring-pulsar-docs}#pulsar-client[reference documentation].
+For complete details on the client and authentication see the Spring for Apache Pulsar {spring-pulsar-docs}reference/pulsar.html#pulsar-client[reference documentation].
 
 
 
@@ -85,7 +85,7 @@ If you need more control over the configuration, consider registering one or mor
 [[messaging.pulsar.admin.auth]]
 ==== Authentication
 When accessing a Pulsar cluster that requires authentication, the admin client requires the same security configuration as the regular Pulsar client.
-You can use the aforementioned <<pulsar.adoc#messaging.pulsar.connecting.auth,authentication configuration>> by replacing `spring.pulsar.client.authentication` with `spring.pulsar.admin.authentication`.
+You can use the aforementioned <<messaging.pulsar.connecting.auth,authentication configuration>> by replacing `spring.pulsar.client.authentication` with `spring.pulsar.admin.authentication`.
 
 TIP: To create a topic on startup, add a bean of type `PulsarTopic`.
 If the topic already exists, the bean is ignored.