fix github verification (#3782)

* specify non-default signature scheme

* undo linting change

Author: MasterHW

packages/builder/src/components/providers/identity/credentials.ts

@@ -25,6 +25,7 @@ export const fetchChallengeCredential = async (
       payload: {
         address: payload.address,
         type: payload.type,
+        signatureType: "EIP712",
       },
     }
   );