Upgrade Pulsar version to 4.0.1 (#197)

Author: lhotari

gradle/libs.versions.toml

@@ -29,7 +29,7 @@ junit-jupiter = "5.11.3"
 licenser = "0.6.1"
 log4j = "2.23.1"
 mockito = "5.14.2"
-pulsar = "3.3.3"
+pulsar = "4.0.1"
 rat-gradle = "0.8.0"
 reactor = "3.6.13"
 slf4j = "2.0.16"

pulsar-client-reactive-adapter/src/intTest/java/org/apache/pulsar/reactive/client/adapter/SingletonPulsarContainer.java

@@ -45,7 +45,7 @@ static PulsarClient createPulsarClient() throws PulsarClientException {
 	}
 
 	static DockerImageName getPulsarImage() {
-		return DockerImageName.parse("apachepulsar/pulsar:3.3.3");
+		return DockerImageName.parse("apachepulsar/pulsar:4.0.1");
 	}
 
 }

scripts/validate_staging_repo.sh

@@ -40,7 +40,7 @@ if ! command -v gradle &>/dev/null; then
 fi
 
 DOCKER_CONTAINER_NAME=pulsar-standalone-$$
-: ${DOCKER_IMAGE_NAME:=apachepulsar/pulsar:3.3.3}
+: ${DOCKER_IMAGE_NAME:=apachepulsar/pulsar:4.0.1}
 
 mkdir test-app-reactive-$$
 cd test-app-reactive-$$
@@ -90,7 +90,7 @@ public class HelloPulsarClientReactive {
 
     public static void main(String[] args) throws PulsarClientException, InterruptedException {
         // Before running this, start Pulsar within docker with this command:
-        // docker run -it -p 8080:8080 -p 6650:6650 apachepulsar/pulsar:3.3.3 /pulsar/bin/pulsar standalone -nss -nfw
+        // docker run -it -p 8080:8080 -p 6650:6650 apachepulsar/pulsar:4.0.1 /pulsar/bin/pulsar standalone -nss -nfw
 
         try (PulsarClient pulsarClient = PulsarClient.builder().serviceUrl("pulsar://localhost:6650").build()) {