Move deps back to SNAPSHOTs

* Increase a `remoteTimeout` for `IpIntegrationTests.testCloseStream()`

spring-integration-ip/src/test/java/org/springframework/integration/ip/dsl/IpIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2020 the original author or authors.
+ * Copyright 2016-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -225,6 +225,7 @@ public class IpIntegrationTests {
 				.handle(Tcp.outboundGateway(Tcp.netClient("localhost", port.get())
 						.singleUseConnections(true)
 						.serializer(new ByteArrayRawSerializer()))
+						.remoteTimeout(20_000)
 						.closeStreamAfterSend(true))
 				.transform(Transformers.objectToString())
 				.get();