Update bazlets to latest revision on stable-2.14

- Build with 2.14.8 API
- Use bazel-cache instead of buck-cache

Change-Id: I22afc7ffe14a5cfbea9e27a3897a19ac0991d600
diff --git a/WORKSPACE b/WORKSPACE
index 37c913e..89f78d1 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "3dbcd76602dd93fddb9deae4cacd1699164a19e9",
+    commit = "80add197d1cb9a89fa906dde2d26d804697517f6",
     #    local_path = "/home/<user>/projects/bazlets",
 )