update changelog for 2.17.0 release (#1157)

CHANGELOG.md

@@ -4,6 +4,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [2.17.0] - 2022-06-15
+
+### Added
+- Added DocumentFormat.OpenXml.Office.Comments.Y2020.Reactions namespace (#1151)
+- Added DocumentFormat.OpenXml.Office.SpreadSheetML.Y2022.PivotVersionInfo namespace (#1151)
+
+### Fixed
+- Moved PowerPointCommentPart relationship to SlidePart (#1137)
+
+### Updated
+- Removed public API analyzers in favor of EnablePackageValidation (#1154)
+
 ## [2.16.0] - 2022-03-14
 
 ### Added