TECH-16372: release v2.2.0

Author: ColinDKelley

CHANGELOG.md

@@ -4,11 +4,12 @@ Inspired by [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 Note: this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [2.2.0] - Unreleased
+## [2.2.0] - 2024-10-09
 ### Changed
 - Drop/add index if its settings change (`unique:`, `length:`, etc.)
+- Drop/add index if order of columns changes
 - Drop indexes before adding, in case any have identical names
-- Same for foreign key constraints
+- Drop foreign keys before adding, in case any have identical names
 
 ## [2.1.0] - 2024-08-20
 ### Added