Update iterator from master

boost-commitbot · boost-commitbot · commit ebaa81619107 · 2025-04-19T17:10:31.000Z
diff --git a/libs/iterator b/libs/iterator
@@ -1 +1 @@
-Subproject commit c2b846c57dd0bce0f7ab2c91b883e3b9ce423ceb
+Subproject commit 766c881f9aae76b58a32a4d4b87b078a786c0ad0
