Merge branch 'stable-2.16'

* stable-2.16:
  Upgrade bazlets to latest stable-2.15 to build with 2.15.13 API
  Upgrade javamelody-core to 1.77.0

Change-Id: I9e103f2d2907897c0d36ca224c05fc887e5073ce
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 4d9b149..e3648d3 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:1.76.0",
-        sha1 = "fc10686295d168a45ffef476e2d949dc19fe7a90",
+        artifact = "net.bull.javamelody:javamelody-core:1.77.0",
+        sha1 = "a2b2dd1d39f21d185ea3215830661002445664a4",
     )
 
     maven_jar(