Update Stack reference.

randy-armstrong · randy-armstrong · commit 442d90c375fe · 2025-08-11T23:40:39.000-07:00
diff --git a/Stack b/Stack
@@ -1 +1 @@
-Subproject commit f3f01d024f2c7ec645bb1cfa1c079141f717fea2
+Subproject commit 91c1a02abd399b760eb1f3616ed2b9c757bceed5
