Add new features to the changelog

Author: paolobarbolini

README.md

@@ -11,6 +11,7 @@ and the [hyper HTTP library](https://github.com/hyperium/hyper).
 - 0.23.0 (2021-11-16):
   * Upgrade to rustls 0.20. Thanks to @g2p.
   * Add new HttpsConnectorBuilder API. Thanks to @g2p.
+  * Add the tls12, logging, http1 and http2 features. Thanks to @g2p and @marwes.
 - 0.22.1 (2020-12-27):
   * Fixing docs.rs build; no other changes.
 - 0.22.0 (2020-12-26):