Upgrade bazlets to latest stable-3.1

Change-Id: I4a78794bd87c57a5db32fc9539b0b983cb574d54
diff --git a/WORKSPACE b/WORKSPACE
index 6d6c180..2014e93 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "300de940c226c4ef7f0ce4baa90e278ae0fa840c",
+    commit = "65536a2b01b0097ee3237bb48a805ed97ca51467",
     #local_path = "/home/<user>/projects/bazlets",
 )