Upgrade javamelody-core to 1.86.0

Change-Id: I83030fc6d336b75145aaa59b1175a49c1459d55d
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 56845fa..f5acb1c 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -3,8 +3,8 @@
 def external_plugin_deps():
     maven_jar(
         name = "javamelody-core",
-        artifact = "net.bull.javamelody:javamelody-core:1.85.0",
-        sha1 = "c3ba19e7ee1727d015bb9fc5ab806118b71873bc",
+        artifact = "net.bull.javamelody:javamelody-core:1.86.0",
+        sha1 = "9aa8fc685238ba3391c5e163a451d52bb254387a",
     )
 
     maven_jar(