Updates the Stan submodule to 3629c5a2e.

stan-buildbot · stan-buildbot · commit e30c06246aa4 · 2025-03-28T10:47:58.000-04:00
diff --git a/stan b/stan
@@ -1 +1 @@
-Subproject commit ff57a3027a24df69ba3bcf358ce74dad1aa4ea61
+Subproject commit 3629c5a2e814d03aae1d9e8cee23522ff7a7aa76
