Update bazlets to get python 3 compatibility fix in project.py

Change-Id: Ib1b2bf197cae6c691893c3b0d5e6b113c6daac2c
diff --git a/WORKSPACE b/WORKSPACE
index 73580f3..cfb6af6 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "21e71dc9abb42f5ac80c51d2df2a374c3414b9d2",
+    commit = "66fa042963d9799faf7b29c273962f5c50884df6",
     #local_path = "/home/ehugare/workspaces/bazlets",
 )