Update submodule to 176.0.0 (#21500)

diff --git a/RobustToolbox b/RobustToolbox
index f5874ea402430bb902a5d5d1f47953679d79d781..7871b0010e110527df5bd00787e91e828dc3607c 160000 (submodule)
--- a/RobustToolbox
+++ b/RobustToolbox
@@ -1 +1 @@
-Subproject commit f5874ea402430bb902a5d5d1f47953679d79d781
+Subproject commit 7871b0010e110527df5bd00787e91e828dc3607c