refactor: use of Assert for consistancy with the project

Signed-off-by: Xavier Chopin <[email protected]>

Author: Xavier Chopin

Diff for: spring-ai-client-chat/src/main/java/org/springframework/ai/converter/BeanOutputConverter.java

@@ -40,6 +40,7 @@
 import org.springframework.ai.util.JacksonUtils;
 import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.lang.NonNull;
+import org.springframework.util.Assert;
 
 import static org.springframework.ai.util.LoggingMarkers.SENSITIVE_DATA_MARKER;
 
@@ -117,7 +118,7 @@ public BeanOutputConverter(ParameterizedTypeReference<T> typeRef, ObjectMapper o
 	 * @param objectMapper Custom object mapper for JSON operations. endings.
 	 */
 	private BeanOutputConverter(Type type, ObjectMapper objectMapper) {
-		Objects.requireNonNull(type, "Type cannot be null");
+		Assert.notNull(type, "Type cannot be null");
 		this.type = type;
 		this.objectMapper = objectMapper != null ? objectMapper : getObjectMapper();
 		generateSchema();