chore: v2.0.0 changelog

CHANGELOG.md

@@ -5,7 +5,7 @@ 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).
 
-## [Unreleased]
+## [2.0.0] - 2020-09-10
 
 ### Changed
 - Refactored into a 'composite' action which has following implications ([#4]):
@@ -25,5 +25,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Initial action code
 - `GitHubActionsCore` PowerShell module
 
-[Unreleased]: https://github.com/Amadevus/pwsh-script/compare/v1.0.0...HEAD
+[Unreleased]: https://github.com/Amadevus/pwsh-script/compare/v2.0.0...HEAD
+[2.0.0]: https://github.com/Amadevus/pwsh-script/compare/v1.0.0...v2.0.0
 [1.0.0]: https://github.com/Amadevus/pwsh-script/releases/tag/v1.0.0