Updates the Math submodule to 8fa404b.

stan-buildbot · stan-buildbot · commit 57d1fffcb4d8 · 2026-03-03T12:23:56.000-05:00
diff --git a/lib/stan_math b/lib/stan_math
@@ -1 +1 @@
-Subproject commit 2d953bf7985e0f58090620dabcac307d69354096
+Subproject commit 8fa404b388daa69a4b2c62bf3a1917be122d9311
