Bump events-broker version to 3.1.4

Change-Id: Id466cdd7948f9ef08850116ba0aafea351d9c362
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index e57b63f..2bbf1aa 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:3.1.4",
+        sha1 = "5672908dde0bd02cabc95efe34a8d8507d44b6ac",
     )