Update events-broker to v3.2.0-rc4

Change-Id: I29db14e8c040062cb094f02a49b5a4fd8a770730
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 0945768..17d9bde 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -15,6 +15,6 @@
 
     maven_jar(
         name = "events-broker",
-        artifact = "com.gerritforge:events-broker:3.1.3",
-        sha1 = "a12ef44f9b75a5dbecac9f1f0acf0f236b220252",
+        artifact = "com.gerritforge:events-broker:3.2.0-rc4",
+        sha1 = "53e3f862ac2c2196dba716756ac9586f4b63af47",
     )