Upgrade bazlets to latest master to build with 3.0.0-rc1 API

Change-Id: I0e91a1bfb0809f2f97582410bfc79a095f2adbb7
diff --git a/WORKSPACE b/WORKSPACE
index 78c2099..4559440 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "316b66f48048c1ee05d8525568f2533cff5ea252",
+    commit = "8808e401a9c68a02ae541c36a36dd672a171b7e7",
     #local_path = "/home/<user>/projects/bazlets",
 )