Updates the Math submodule to 8ab976018c.

stan-buildbot · stan-buildbot · commit 3a880ada03f3 · 2024-10-31T01:22:45.000-04:00
diff --git a/lib/stan_math b/lib/stan_math
@@ -1 +1 @@
-Subproject commit 2fdd3ed700d48c0bfea46091be885d4bc787b7b8
+Subproject commit 8ab976018c3575ea84d458c39c583440e3b48538
