Updates the Stan submodule to bb8985c49.

stan-buildbot · stan-buildbot · commit eeb725dc6ca0 · 2025-08-21T10:52:11.000-04:00
diff --git a/stan b/stan
@@ -1 +1 @@
-Subproject commit 5e8f8677681f8e7f8bacb923d5edf910933cbed7
+Subproject commit bb8985c49bb4ebd8fa6cee7eb61e64a1fa5fa195
