Upgrade bazlets to latest stable-3.0

Change-Id: I44ea390772abadad0760e589c5d156f6011ffd8b
diff --git a/WORKSPACE b/WORKSPACE
index beefcea..3fb6a02 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "7538805fe00406afadcf4ff6dea053fb78d6c132",
+    commit = "2629e3802493a45cdc7a3e03deb3331743daa09c",
     #local_path = "/home/<user>/projects/bazlets",
 )