update submodule

lightsing · lightsing · commit 8808e8e4a303 · 2021-11-07T16:53:42.000+08:00
diff --git a/contracts b/contracts
@@ -1 +1 @@
-Subproject commit 1d050899ae0e32ec1979e41358dc58cd705c9925
+Subproject commit 9b39b02bc8897951d17c53fd0fc59058c88e8b3b
diff --git a/dingir-exchange b/dingir-exchange
@@ -1 +1 @@
-Subproject commit db01b40b19574dd06932d47b2dbeb6a6dabcb5bf
+Subproject commit e44d30397813f4d750e32e47223003a830723f51
