Merge pull request #2090 from IntelPython/add-release-date-for-0.20.0

Add release date for `0.20.0`

Author: ndgrigorian

CHANGELOG.md

@@ -14,7 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Maintenance
 
-## [0.20.0] - XXX. XX, XXXX
+## [0.20.0] - Jun. 03, 2025
 
 ### Added