Changelog update - v2.2.1 (#207)

Co-authored-by: GitHub Action <action@github.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -4,9 +4,11 @@
 
 ## Unreleased
 
+## 2.2.1 - 2023-03-23
+
 ### Fixed
 - reading an existing config would sometimes use the wrong directory on Linux
-- two separate SSH sessions would spawn when connecting to a workspace through
+- two separate SSH sessions would spawn when connecting to a workspace through
   the main flow
 
 ## 2.2.0 - 2023-03-08