Update multiprecision from develop

boost-commitbot · boost-commitbot · commit 0f256dc20b93 · 2025-09-22T09:04:46.000Z
diff --git a/libs/multiprecision b/libs/multiprecision
@@ -1 +1 @@
-Subproject commit 6f3c75c06244e4ef7b29b30a6a1e5864815a5cd1
+Subproject commit f40742cc3cb08c1849430dae44bf564bca799666
