Revert to v1.5.16

lauzadis · lauzadis · commit 56248248004d · 2025-04-15T12:50:48.000-04:00
diff --git a/crt/s2n b/crt/s2n
@@ -1 +1 @@
-Subproject commit ca136ce414216e687212672ca8c7e6dbf4bd04c1
+Subproject commit b8a9aa4ee53661e829e011e6881d5252d794ba8c
