Update parser from master

boost-commitbot · boost-commitbot · commit f8f46b51e571 · 2025-10-31T23:04:15.000Z
diff --git a/libs/parser b/libs/parser
@@ -1 +1 @@
-Subproject commit 703a8afafee8fce7331f428847557f0bf0377543
+Subproject commit 647cec66831407742a6ad78582f2a9f3cd7d44d3
