Release 2.3.0: Update go-crypto, add Key.IsRevoked and fix key.IsExpired

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 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).
 
+## [2.3.0] 2021-11-15
+### Added
+- `Key.IsRevoked()` to check the revocation status of a key
+### Security
+- Upgraded underlying crypto library to fix handling of revoked keys
+
 ## [2.2.5] 2021-11-11
 ### Fixed
 - Protect the global `pgp` variable fields with a lock.