Merge pull request #539 from rstudio/mm-1.22-release

Update changelog for 1.22

Author: mmarchetti

CHANGELOG.md

@@ -4,11 +4,10 @@ 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).
 
-## Pending Next Release
+## [1.22.0] - 2024-01-23
 
 ### Added
-- Added the name of the environment variables to the help output for those options that
-  use environment variables as a default value.
+- Added support for deploying Shiny express apps.
 - Added support for deploying Shiny Express applications.
 - Added a `--retry` flag to the `rsconnect content build run` command to re-run
   builds for all content in the NEEDS_BUILD, ABORTED, ERROR, or RUNNING state.