Update optional from master

boost-commitbot · boost-commitbot · commit dcf1600e63f5 · 2024-12-03T23:33:20.000Z
diff --git a/libs/optional b/libs/optional
@@ -1 +1 @@
-Subproject commit e21074030123956f4b0ac28fd591f5b253f18af6
+Subproject commit 121f3efde91de78ca018019904732f55d33b5788
