Update bazlets to the latest on stable-2.14 to use 2.14.7 release API

Change-Id: If9a0fcaa5f64d4396f031ef60510f74a373c2c11
diff --git a/WORKSPACE b/WORKSPACE
index 13d1b15..37c913e 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "21e71dc9abb42f5ac80c51d2df2a374c3414b9d2",
+    commit = "3dbcd76602dd93fddb9deae4cacd1699164a19e9",
     #    local_path = "/home/<user>/projects/bazlets",
 )