Update bazlets to latest stable-2.14 to build with 2.14.13 API

Change-Id: I5353bacf852f4575317aaebe17e8db188a671b65

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 03e715d..35812da 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "cbbab83e99c3fa44b6ff37863cbd7bb3e9f84f47",
+    commit = "ca8f37d6b771c55d4c03e463f9f73aa8e216b11b",
     # local_path = "/home/<user>/projects/bazlets",
 )