Upgrade bazlets to latest master to build with 3.0.0-SNAPSHOT API

Change-Id: Id97af8740ef11d353654e54cc46e4da2f3084f1c
diff --git a/WORKSPACE b/WORKSPACE
index b1a570d..626bcda 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "279d12d33bd17dd49951146186f3d17f50fdc919",
+    commit = "f3b3eecf061193e8909298bc9c35027df3bf9d44",
     #local_path = "/home/<user>/projects/bazlets",
 )