Fix wrong artifactId in DeepSeek document (#3105)

Signed-off-by: Yanming Zhou <[email protected]>

Author: quaff

spring-ai-docs/src/main/antora/modules/ROOT/pages/api/chat/deepseek-chat.adoc

@@ -32,7 +32,7 @@ To enable it, add the following dependency to your project's Maven `pom.xml` fil
 ----
 <dependency>
     <groupId>org.springframework.ai</groupId>
-    <artifactId>spring-ai-deepseek-spring-boot-starter</artifactId>
+    <artifactId>spring-ai-starter-model-deepseek</artifactId>
 </dependency>
 ----
 
@@ -41,7 +41,7 @@ or to your Gradle `build.gradle` file.
 [source,groovy]
 ----
 dependencies {
-    implementation 'org.springframework.ai:spring-ai-deepseek-spring-boot-starter'
+    implementation 'org.springframework.ai:spring-ai-starter-model-deepseek'
 }
 ----
 
@@ -133,7 +133,7 @@ TIP: In addition to the model-specific link:https://github.com/spring-projects/s
 
 == Sample Controller (Auto-configuration)
 
-https://start.spring.io/[Create] a new Spring Boot project and add the `spring-ai-deepseek-spring-boot-starter` to your pom (or gradle) dependencies.
+https://start.spring.io/[Create] a new Spring Boot project and add the `spring-ai-starter-model-deepseek` to your pom (or gradle) dependencies.
 
 Add an `application.properties` file under the `src/main/resources` directory to enable and configure the DeepSeek Chat model: