bump contracts to head of draft-v31

zkzoomer · zkzoomer · commit 64514d39e296 · 2026-01-20T09:43:05.000+01:00
diff --git a/contracts b/contracts
@@ -1 +1 @@
-Subproject commit dc75da44156466b736ba0a44cfd39beeced885e3
+Subproject commit 67affaeeab43a3e9da0346178f8e8354636da59a
