feat: export dataHasCause function

Author: legobeat

src/index.ts

@@ -1,5 +1,5 @@
 export { JsonRpcError, EthereumProviderError } from './classes';
-export { serializeCause, serializeError, getMessageFromCode } from './utils';
+export { dataHasCause, serializeCause, serializeError, getMessageFromCode } from './utils';
 export type {
   DataWithOptionalCause,
   OptionalDataWithOptionalCause,