Bump events-broker to v3.3.2

Bug: Issue 14390
Change-Id: I2d0c70cff2c413726506a102b6b2eb04d7779936
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index aaa2036..5a21ad4 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -45,8 +45,8 @@
 
     maven_jar(
         name = "events-broker",
-        artifact = "com.gerritforge:events-broker:3.4.0-rc0",
-        sha1 = "8c34c88103d4783eb4c4decde6d93541bc1cf064",
+        artifact = "com.gerritforge:events-broker:3.3.2",
+        sha1 = "d8bcb77047cc12dd7c623b5b4de70a25499d3d6c",
     )
 
     maven_jar(
diff --git a/src/test/java/com/googlesource/gerrit/plugins/pubsub/PubSubEventSubscriberTest.java b/src/test/java/com/googlesource/gerrit/plugins/pubsub/PubSubEventSubscriberTest.java
index 3c6262d..1ee8e8a 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/pubsub/PubSubEventSubscriberTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/pubsub/PubSubEventSubscriberTest.java
@@ -75,7 +75,7 @@
   public void shouldSkipEventWithoutSourceInstanceId() {
     Event event = new ProjectCreatedEvent();
     EventMessage messageWithoutSourceInstanceId =
-        new EventMessage(new EventMessage.Header(UUID.randomUUID(), null), event);
+        new EventMessage(new EventMessage.Header(UUID.randomUUID(), (String) null), event);
     PubsubMessage pubsubMessage = sampleMessage(messageWithoutSourceInstanceId);
 
     messageReceiver(succeedingConsumer).receiveMessage(pubsubMessage, ackReplyConsumerMock);