Update CHANGELOG

Author: carmocca

CHANGELOG.md

@@ -45,6 +45,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed `LightningOptimizer` exposes optimizer attributes ([#5095](https://github.com/PyTorchLightning/pytorch-lightning/pull/5095))
 
 
+- Do not warn when the `name` key is used in the `lr_scheduler` dict ([#5057](https://github.com/PyTorchLightning/pytorch-lightning/pull/5057))
+
 
 ## [1.1.0] - 2020-12-09