Update bazlets to latest revision on stable-2.16

Remove reference to deprecated FileType to fix the build with
the latest bazel version.

Change-Id: I1dec88d8bfca8e729d7711571d896d9cf47742b4

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index a6e318f..f08fafb 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "5c1e201c6835e56a69a980c72206431e2a9d7d80",
+    commit = "c827ba79413585ab9dfc1bbd0d7f609eedd6aa80",
     #local_path = "/home/<user>/projects/bazlets",
 )