bump version (#359)

Author: ledhed2222

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [[Unreleased]]
+
+## [1.4.0] - 2022-02-24
 ### Added
 - Sync and async `generate_faucet_wallet` functions now support a custom
   faucet host

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "xrpl-py"
-version = "1.3.0"
+version = "1.4.0"
 description = "A complete Python library for interacting with the XRP ledger"
 readme = "README.md"
 repository = "https://github.com/XRPLF/xrpl-py"