Update changelog

Author: adamwathan

CHANGELOG.md

@@ -9,8 +9,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Nothing yet!
 
+## [1.8.7] - 2020-09-10
+
+### Fixed
+
+- Fix issue where classes in escaped strings (like `class=\"block\"`) weren't extracted properly for purging ([#2364](https://github.com/tailwindlabs/tailwindcss/pull/2364))
+
 ## [1.8.6] - 2020-09-09
 
+### Fixed
+
 - Fix issue where container padding not applied when using object syntax ([#2353](https://github.com/tailwindlabs/tailwindcss/pull/2353))
 
 ## [1.8.5] - 2020-09-07