Update bazlets to de7597593918677465f8ef4330a62f0b9a50f81c

This fixes ./tools/eclipse/project.py which failed with the error:
Error: 'JavaInfo' value has no field or method 'transitive_runtime_deps'

Change-Id: Id0a52e478391e9b1deda1d07578af66e2d330b33
diff --git a/WORKSPACE b/WORKSPACE
index 2ff406b..3489ca0 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -12,7 +12,7 @@
 load("//tools:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "50f43f450f2178425b26d5b2a2442ac3acd07f37",
+    commit = "de7597593918677465f8ef4330a62f0b9a50f81c",
     # local_path = "/home/<user>/projects/bazlets",
 )