Update changelog

Author: adamwathan

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+Nothing yet!
+
+## [3.0.0-alpha.2] - 2021-11-08
+
 ### Changed
 
 - Don't use pointer cursor on disabled buttons by default ([#5772](https://github.com/tailwindlabs/tailwindcss/pull/5772))
@@ -1653,7 +1657,8 @@ No release notes
 
 - Everything!
 
-[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.0-alpha.1...HEAD
+[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.0-alpha.2...HEAD
+[3.0.0-alpha.2]: https://github.com/tailwindlabs/tailwindcss/compare/v3.0.0-alpha.1...v3.0.0-alpha.2
 [3.0.0-alpha.1]: https://github.com/tailwindlabs/tailwindcss/compare/v2.2.19...v3.0.0-alpha.1
 [2.2.19]: https://github.com/tailwindlabs/tailwindcss/compare/v2.2.18...v2.2.19
 [2.2.18]: https://github.com/tailwindlabs/tailwindcss/compare/v2.2.17...v2.2.18