Auto updated substrate references

Crust Update Bot · Crust Update Bot · commit 12e54f8395fb · 2025-06-16T18:06:59.000Z
diff --git a/polkadot-sdk b/polkadot-sdk
@@ -1 +1 @@
-Subproject commit b9fbf243c57939ecadc89b82ed42249703203874
+Subproject commit bd646008920111d1dd5698dc73f45428f3227d31
