Update changelog for 2.2.0

Author: ocean90

CHANGELOG.md

@@ -4,10 +4,17 @@ 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).
 
+## [2.2.0] - 2021-07-15
+
+### Changed
+* PHP: Update slevomat/coding-standard from 6.4.1 to [7.0.12](https://github.com/slevomat/coding-standard/releases/tag/7.0.12).
+* PHP: Update sirbrillig/phpcs-variable-analysis from 2.11.0 to [2.11.2](https://github.com/sirbrillig/phpcs-variable-analysis/releases/tag/v2.11.2).
+
 ## [2.1.0] - 2021-04-13
 
 ### Changed
 * JS: Allow `@wordpress/eslint-plugin` v9 as dependency.
+* PHP: Update sirbrillig/phpcs-variable-analysis from 2.10.2 to [2.11.0](https://github.com/sirbrillig/phpcs-variable-analysis/releases/tag/v2.11.0).
 
 ## [2.0.0] - 2021-02-26
 
@@ -118,7 +125,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * [VariableAnalysis](https://github.com/sirbrillig/phpcs-variable-analysis) for problematic variable use.
 * [Slevomat Coding Standard](https://github.com/slevomat/coding-standard) for PHP >=7 development.
 
-[Unreleased]: https://github.com/wearerequired/coding-standards/compare/2.1.0...HEAD
+[Unreleased]: https://github.com/wearerequired/coding-standards/compare/2.2.0...HEAD
+[2.2.0]: https://github.com/wearerequired/coding-standards/compare/2.1.0...2.2.0
 [2.1.0]: https://github.com/wearerequired/coding-standards/compare/2.0.0...2.1.0
 [2.0.0]: https://github.com/wearerequired/coding-standards/compare/1.6.0...2.0.0
 [1.6.0]: https://github.com/wearerequired/coding-standards/compare/1.5.1...1.6.0