Bump events-broker to 3.6.0-rc3

Change-Id: I17650b19b02ecdeef71d54ca56d483730dfcfa9c

external_plugin_deps.bzl

diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 0f97630..57f34c9 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -61,6 +61,6 @@
 
     maven_jar(
         name = "events-broker",
-        artifact = "com.gerritforge:events-broker:3.6.0-rc2",
-        sha1 = "91fcc20920ef4e0bd621ad3280276d43f7506c07",
+        artifact = "com.gerritforge:events-broker:3.6.0-rc3",
+        sha1 = "cb398afa4f76367be5c62b99a7ffce74ae1d3d8b",
     )