Upgrade to Spring AMQP 2.1.0.RC1

Closes gh-14574

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/amqp/AbstractRabbitListenerContainerFactoryConfigurer.java

@@ -119,7 +119,7 @@ public abstract class AbstractRabbitListenerContainerFactoryConfigurer<T extends
 		factory.setMissingQueuesFatal(configuration.isMissingQueuesFatal());
 		ListenerRetry retryConfig = configuration.getRetry();
 		if (retryConfig.isEnabled()) {
-			RetryInterceptorBuilder<?> builder = (retryConfig.isStateless())
+			RetryInterceptorBuilder<?, ?> builder = (retryConfig.isStateless())
 					? RetryInterceptorBuilder.stateless()
 					: RetryInterceptorBuilder.stateful();
 			RetryTemplate retryTemplate = new RetryTemplateFactory(

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -158,7 +158,7 @@
 		<solr.version>7.4.0</solr.version>
 		<!-- deprecated in favor of "spring-framework.version" -->
 		<spring.version>5.1.0.RELEASE</spring.version>
-		<spring-amqp.version>2.1.0.M3</spring-amqp.version>
+		<spring-amqp.version>2.1.0.RC1</spring-amqp.version>
 		<spring-batch.version>4.1.0.M3</spring-batch.version>
 		<spring-cloud-connectors.version>2.0.3.RELEASE</spring-cloud-connectors.version>
 		<spring-data-releasetrain.version>Lovelace-RELEASE</spring-data-releasetrain.version>