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

Change-Id: I5c71334ccf7964d99de6adb3bf5bad6945c5856c
diff --git a/WORKSPACE b/WORKSPACE
index a0c7f04..0698e83 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "738ddb525810a50c792736d7115a1bb5289bd3d3",
+    commit = "f3b3eecf061193e8909298bc9c35027df3bf9d44",
     #local_path = "/home/<user>/projects/bazlets",
 )