Updates the Stan submodule to 86287268a.

stan-buildbot · stan-buildbot · commit 4bc8c08acea8 · 2025-03-15T07:31:51.000-04:00
diff --git a/stan b/stan
@@ -1 +1 @@
-Subproject commit 7605179a944820c85d51fab1ee7f3a9159d9f82b
+Subproject commit 86287268a9ef9207eedf022df43d71063d7e0983
