Update smart_ptr from master

cppal-commitbot · cppal-commitbot · commit 06c625f6e5a2 · 2024-12-16T01:56:39.000Z
diff --git a/libs/smart_ptr b/libs/smart_ptr
@@ -1 +1 @@
-Subproject commit 316f4cef77164a37b6a1a8891aa173910d3c2b46
+Subproject commit 840e2ff1a810c697533c2703e1650c8ea20b6ec5
