Upgrade bazlets to latest stable-3.2 to build with 3.2.6 API

Change-Id: I6f8521ebb3edf9f8a238a32598bd0a50af11e7e6
diff --git a/WORKSPACE b/WORKSPACE
index db6d082..353cf41 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "74f9d8e76d5014d218ae6fe55127a5288c9a32c3",
+    commit = "8dc0767541f16b35d2136eccebffd9ebe2b81133",
     #local_path = "/home/<user>/projects/bazlets",
 )