Update CHANGELOG.md

Author: gkjohnson

CHANGELOG.md

@@ -4,7 +4,7 @@ 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).
 
-## Unreleased
+## [0.3.31] - 2024.03.25
 ### Fixed
 - Ellipsoid.getPositionElevation not returning negative elevations.
 - EnvironmentControls: Enfoce a minimum elevation when computing horizon distance to ensure a reasonable far clip distance.
@@ -15,11 +15,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 - EnvironmentControls: Add "fallbackPlane" and "useFallbackPlane" members so dragging works when there is no geometry under the mouse.
 
-## [0.3.30] - 2023.03.12
+## [0.3.30] - 2024.03.12
 ### Fixed
 - EnvironmentControls and GlobeControls not zooming into the cursor when offset.
 
-## [0.3.29] - 2023.03.12
+## [0.3.29] - 2024.03.12
 ### Fixed
 - EnvironmentControls and GlobeControls not working with a non-full page element.
 - FadeTilesRenderer improperly disposing of tiles causing unloaded textures to be rendered.