Replace FixedDelayStrategy to SameIntervalTopicReuseStrategy in docs

Signed-off-by: Seonghyeon Cho <[email protected]>

Author: sh-cho

spring-kafka-docs/src/main/antora/modules/ROOT/pages/retrytopic/topic-naming.adoc

@@ -79,7 +79,7 @@ NOTE: The previous `FixedDelayStrategy` is now deprecated, and can be replaced b
 
 [source, java]
 ----
-@RetryableTopic(backoff = @Backoff(2_000), fixedDelayTopicStrategy = FixedDelayStrategy.SINGLE_TOPIC)
+@RetryableTopic(backoff = @Backoff(2_000), sameIntervalTopicReuseStrategy = SameIntervalTopicReuseStrategy.SINGLE_TOPIC)
 @KafkaListener(topics = "my-annotated-topic")
 public void processMessage(MyPojo message) {
     // ... message processing

spring-kafka/src/main/java/org/springframework/kafka/annotation/EnableKafkaRetryTopic.java

@@ -39,7 +39,7 @@
  * @Component
  * public class MyListener {
  *
- *     @RetryableTopic(fixedDelayTopicStrategy = FixedDelayStrategy.SINGLE_TOPIC, backoff = @Backoff(4000))
+ *     @RetryableTopic(sameIntervalTopicReuseStrategy = SameIntervalTopicReuseStrategy.SINGLE_TOPIC, backoff = @Backoff(4000))
  *     @KafkaListener(topics =  "myTopic")
  * 	   public void listen(String message, @Header(KafkaHeaders.RECEIVED_TOPIC) String receivedTopic) {
  *	       logger.info("Message {} received in topic {} ", message, receivedTopic);