Upgrade toybox to 95906a13d1c6d0df5f521d2d91371791663f339e

This project was upgraded with external_updater.
Usage: tools/external_updater/updater.sh update external/toybox
For more info, check https://cs.android.com/android/platform/superproject/+/main:tools/external_updater/README.md

Test: TreeHugger
Change-Id: Ic0469d499720711f1cd0465ce944b1a77216de9b