9.6 release: create changelogs and releases (#19342)

Co-authored-by: Brad Jorsch <anomiex@users.noreply.github.com>

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/701869416

CHANGELOG.md

@@ -5,13 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [2.10.1-alpha] - unreleased
-
-This is an alpha version! The changes listed here are not final.
-
+## [2.10.1] - 2021-03-30
 ### Added
 - Composer alias for dev-master, to improve dependencies
-- Created a changelog from the git history with help from [auto-changelog](https://www.npmjs.com/package/auto-changelog). It could probably use cleanup!
 - Tests: Added code coverage transformation
 
 ### Changed
@@ -183,7 +179,7 @@ This is an alpha version! The changes listed here are not final.
 
 - Add Custom Autoloader
 
-[2.10.1-alpha]: https://github.com/Automattic/jetpack-autoloader/compare/v2.10.0...v2.10.1-alpha
+[2.10.1]: https://github.com/Automattic/jetpack-autoloader/compare/v2.10.0...v2.10.1
 [2.10.0]: https://github.com/Automattic/jetpack-autoloader/compare/v2.9.1...v2.10.0
 [2.9.1]: https://github.com/Automattic/jetpack-autoloader/compare/v2.9.0...v2.9.1
 [2.9.0]: https://github.com/Automattic/jetpack-autoloader/compare/v2.8.0...v2.9.0