Update bazlets to latest revision to build with API version 2.14.3

Change-Id: I042522411510ce30c5cd1e45ca63b49732ee8bd8

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index a1f4819..339d9b0 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "c2a97a12543ce2ab59126570ca0aea163a0ee743",
+    commit = "b7514d03a7798905ff1513295b46620e57b8f386",
     #local_path = "/home/ehugare/workspaces/bazlets",
 )