[6.x] update changelog

Author: TBlindaruk

CHANGELOG-6.x.md

@@ -2,6 +2,9 @@
 
 ## [Unreleased](https://github.com/laravel/framework/compare/v6.18.14...6.x)
 
+### Added
+- Added `Illuminate\Http\Middleware\TrustHosts` ([9229264](https://github.com/laravel/framework/commit/92292649621f2aadc84ab94376244650a9f55696))
+
 ### Fixed
 - Revert of ["Remove `strval` from `Illuminate/Validation/ValidationRuleParser::explodeWildcardRules()`"](https://github.com/laravel/framework/commit/1c76a6f3a80fa8f756740566dffd9fa1be65c123) ([52940cf](https://github.com/laravel/framework/commit/52940cf3275cfebd47ec008fd8ae5bc6d6a42dfd))
 - Fixed Queued Mail MessageSent Listener With Attachments ([#32795](https://github.com/laravel/framework/pull/32795))