Update web services documentation and samples

Closes gh-42887

Author: philwebb

spring-boot-project/spring-boot-docs/src/docs/antora/modules/reference/pages/io/webservices.adoc

@@ -30,6 +30,8 @@ The following code shows a typical example:
 include-code::MyService[]
 
 By default, `WebServiceTemplateBuilder` detects a suitable HTTP-based `WebServiceMessageSender` using the available HTTP client libraries on the classpath.
-You can also customize read and connection timeouts as follows:
+You can also customize read and connection timeouts for an individual builder as follows:
 
 include-code::MyWebServiceTemplateConfiguration[]
+
+TIP: You can also change the xref:io/rest-client.adoc#io.rest-client.clienthttprequestfactory.configuration[global HTTP client configuration] used if not specific template customization code is applied.

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/io/webservices/template/MyWebServiceTemplateConfiguration.java

@@ -24,7 +24,6 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.ws.client.core.WebServiceTemplate;
-import org.springframework.ws.transport.WebServiceMessageSender;
 
 @Configuration(proxyBeanMethods = false)
 public class MyWebServiceTemplateConfiguration {
@@ -34,8 +33,8 @@ public WebServiceTemplate webServiceTemplate(WebServiceTemplateBuilder builder)
 		ClientHttpRequestFactorySettings settings = ClientHttpRequestFactorySettings.defaults()
 			.withConnectTimeout(Duration.ofSeconds(2))
 			.withReadTimeout(Duration.ofSeconds(2));
-		WebServiceMessageSender sender = WebServiceMessageSenderFactory.http(settings).getWebServiceMessageSender();
-		return builder.messageSenders(sender).build();
+		builder.httpMessageSenderFactory(WebServiceMessageSenderFactory.http(settings));
+		return builder.build();
 	}
 
 }

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/io/webservices/template/MyWebServiceTemplateConfiguration.kt

@@ -30,10 +30,10 @@ class MyWebServiceTemplateConfiguration {
 	@Bean
 	fun webServiceTemplate(builder: WebServiceTemplateBuilder): WebServiceTemplate {
 		val settings = ClientHttpRequestFactorySettings.defaults()
-			.withConnectTimeout(Duration.ofSeconds(2))
-			.withReadTimeout(Duration.ofSeconds(2));
-		val sender = WebServiceMessageSenderFactory.http(settings).getWebServiceMessageSender();
-		return builder.messageSenders(sender).build();
+				.withConnectTimeout(Duration.ofSeconds(2))
+				.withReadTimeout(Duration.ofSeconds(2))
+		builder.httpMessageSenderFactory(WebServiceMessageSenderFactory.http(settings))
+		return builder.build()
 	}
 
 }