Update tools submodule (v2.4.8)

diff --git a/tools b/tools
index 84e69d879721db23bad5a6c7e2972cad587a2a4a..87c99724a87578ccbfa29a57418a3e249b1a49eb 160000 (submodule)
--- a/tools
+++ b/tools
@@ -1 +1 @@
-Subproject commit 84e69d879721db23bad5a6c7e2972cad587a2a4a
+Subproject commit 87c99724a87578ccbfa29a57418a3e249b1a49eb