docs: fix dates in changelog (#29)

Author: ItsHarper

CHANGELOG.md

@@ -11,11 +11,11 @@ _Changes in the next release_
 
 ---
 
-## v0.3.1 - 2024-05-14
+## v0.3.1 - 2025-05-14
 ### Fixed
 - Filtered log messages may not modify original data. This sporadically removed media artwork URLs ([#27](https://github.com/unfoldedcircle/integration-python-library/pull/27)).
 
-## v0.3.0 - 2024-04-25
+## v0.3.0 - 2025-04-25
 ### Added
 - New media-player attribute MEDIA_POSITION_UPDATED_AT ([feature-and-bug-tracker#443](https://github.com/unfoldedcircle/feature-and-bug-tracker/issues/443)).
 ### Changed