chore(ci): layer docs update (#2841)

Co-authored-by: Powertools for AWS Lambda (Python) bot <aws-lambda-powertools-feedback@amazon.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -4,24 +4,12 @@
 <a name="unreleased"></a>
 # Unreleased
 
-## Documentation
-
-* **community:** new batch processing article ([#2828](https://github.com/aws-powertools/powertools-lambda-python/issues/2828))
-* **parameters:** improve readability on error handling get_parameter… ([#2833](https://github.com/aws-powertools/powertools-lambda-python/issues/2833))
-
-## Features
-
-* **general:** add support for Python 3.11 ([#2820](https://github.com/aws-powertools/powertools-lambda-python/issues/2820))
 
+<a name="v2.22.0"></a>
+## [v2.22.0] - 2023-07-25
 ## Maintenance
 
-* **ci:** add baking time for layer build ([#2834](https://github.com/aws-powertools/powertools-lambda-python/issues/2834))
-* **ci:** build changelog on a schedule only ([#2832](https://github.com/aws-powertools/powertools-lambda-python/issues/2832))
-* **deps:** bump actions/setup-python from 4.6.1 to 4.7.0 ([#2821](https://github.com/aws-powertools/powertools-lambda-python/issues/2821))
-* **deps-dev:** bump ruff from 0.0.279 to 0.0.280 ([#2836](https://github.com/aws-powertools/powertools-lambda-python/issues/2836))
-* **deps-dev:** bump ruff from 0.0.278 to 0.0.279 ([#2822](https://github.com/aws-powertools/powertools-lambda-python/issues/2822))
-* **deps-dev:** bump mypy-boto3-cloudformation from 1.28.0 to 1.28.10 ([#2837](https://github.com/aws-powertools/powertools-lambda-python/issues/2837))
-* **deps-dev:** bump cfn-lint from 0.78.1 to 0.78.2 ([#2823](https://github.com/aws-powertools/powertools-lambda-python/issues/2823))
+* version bump
 
 
 <a name="v2.21.0"></a>
@@ -3597,7 +3585,8 @@
 * Merge pull request [#5](https://github.com/aws-powertools/powertools-lambda-python/issues/5) from jfuss/feat/python38
 
 
-[Unreleased]: https://github.com/aws-powertools/powertools-lambda-python/compare/v2.21.0...HEAD
+[Unreleased]: https://github.com/aws-powertools/powertools-lambda-python/compare/v2.22.0...HEAD
+[v2.22.0]: https://github.com/aws-powertools/powertools-lambda-python/compare/v2.21.0...v2.22.0
 [v2.21.0]: https://github.com/aws-powertools/powertools-lambda-python/compare/v2.20.0...v2.21.0
 [v2.20.0]: https://github.com/aws-powertools/powertools-lambda-python/compare/v2.19.0...v2.20.0
 [v2.19.0]: https://github.com/aws-powertools/powertools-lambda-python/compare/v2.18.0...v2.19.0