Update CHANGELOG.md

Co-Authored-By: Alessandro Lai <[email protected]>

Author: nocive

CHANGELOG.md

@@ -8,7 +8,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ...
 
 ## 3.1.0 - 2019-07-02
- - Add support for Symfony 2.8.
+ - Add support for Symfony 2.8 (#233, thanks to @nocive)
+ - Fix handling of ESI requests (#213, thanks to @franmomu)
 
 ## 3.0.0 - 2019-05-10
  - Add the `sentry:test` command, to test if the Sentry SDK is functioning properly.