[6.x] update changelog

Author: TBlindaruk

CHANGELOG-6.x.md

@@ -1,6 +1,14 @@
 # Release Notes for 6.x
 
-## [Unreleased](https://github.com/laravel/framework/compare/v6.18.36...6.x)
+## [Unreleased](https://github.com/laravel/framework/compare/v6.18.37...6.x)
+
+
+## [v6.18.37 (2020-08-27)](https://github.com/laravel/framework/compare/v6.18.36...v6.18.37)
+
+### Fixed
+- Fixed offset error on invalid remember token ([#34020](https://github.com/laravel/framework/pull/34020))
+- Only prepend scheme to PhpRedis host when necessary ([#34017](https://github.com/laravel/framework/pull/34017))
+- Fixed `whereKey` and `whereKeyNot` in `Illuminate\Database\Eloquent\Builder` ([#34031](https://github.com/laravel/framework/pull/34031))
 
 
 ## [v6.18.36 (2020-08-25)](https://github.com/laravel/framework/compare/v6.18.35...v6.18.36)