Update bazlets to latest stable-2.14 and switch to 2.14.8 release API

Change-Id: Ia1150efc3e2a4d87433542ed6590119bcd5fb728
diff --git a/WORKSPACE b/WORKSPACE
index 3944f63..1572031 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "3dbcd76602dd93fddb9deae4cacd1699164a19e9",
+    commit = "c860a578fa46f0b8cd9ddbd6ef8d96ffa50f9bed",
     #    local_path = "/home/<user>/projects/bazlets",
 )