Updates the Stan submodule to e533cf77c.

stan-buildbot · stan-buildbot · commit ff3a45eae2e9 · 2025-03-07T08:56:12.000-05:00
diff --git a/StanHeaders/inst/include/upstream b/StanHeaders/inst/include/upstream
@@ -1 +1 @@
-Subproject commit 092f96849701b63ae18d44cdbc3c1f0bd2efc6da
+Subproject commit e533cf77c8700ca8c4d943e205cc35c7b6cd1284
