Update javamelody-core to 1.67.0

Change-Id: Ie34b45695c5e2d8690a690bb744183fd8fe1c023
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index d7a59a1..6b3a7bc 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -3,8 +3,8 @@
 def external_plugin_deps():
   maven_jar(
     name = 'javamelody_lib',
-    artifact = 'net.bull.javamelody:javamelody-core:1.62.0',
-    sha1 = 'f1ee3fe3a023d07cd071dbd424a1b1d7bafbc59a',
+    artifact = 'net.bull.javamelody:javamelody-core:1.67.0',
+    sha1 = '7553233d944dd3096deb3af3d54f8a4d3c237b20',
   )
 
   maven_jar(