Updates the Math submodule to 85c147ee6a.

stan-buildbot · stan-buildbot · commit f795b88315d0 · 2025-11-24T19:54:35.000-05:00
diff --git a/lib/stan_math b/lib/stan_math
@@ -1 +1 @@
-Subproject commit b82d68ced2e73c8188f3bbf287c1321033103986
+Subproject commit 85c147ee6adbe58eb9ae1578c0478fcf3da9bf76
