chore(changelog): prepare release v2.2.0

CHANGELOG.md

@@ -6,6 +6,8 @@ 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]
+
+## [2.2.0] - 2022-10-17
 ### Added
 - Include runtime operating system and architecture in `version` command output.
 - Include instructions for defining credentials and API access in `upctl --help` output.
@@ -169,7 +171,8 @@ Initial public beta release :tada:
 ### Added
 - Current feature set added! First internal release
 
-[Unreleased]: https://github.com/UpCloudLtd/upcloud-cli/compare/v2.1.0...HEAD
+[Unreleased]: https://github.com/UpCloudLtd/upcloud-cli/compare/v2.2.0...HEAD
+[2.2.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v2.1.0...v2.2.0
 [2.1.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v2.0.0...v2.1.0
 [2.0.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v1.5.1...v2.0.0
 [1.5.1]: https://github.com/UpCloudLtd/upcloud-cli/compare/v1.5.0...v1.5.1