Upgrade bazlets to latest stable-3.0

Change-Id: I9100c6ad460af8acbb84cec765e4274f008196ae

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index b99e06e..93075d9 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"
 )