Update tools submodule (v2.4.7) (note tools CID for 2.4.7 moved)

diff --git a/tools b/tools
index a463b65d15f1c369cb1dee9ea1699dd4b4ddb050..84e69d879721db23bad5a6c7e2972cad587a2a4a 160000 (submodule)
--- a/tools
+++ b/tools
@@ -1 +1 @@
-Subproject commit a463b65d15f1c369cb1dee9ea1699dd4b4ddb050
+Subproject commit 84e69d879721db23bad5a6c7e2972cad587a2a4a