Merge pull request #173 from icpc/update-changelog

Update changelog

Author: niemela

readme.md

@@ -28,7 +28,8 @@ This is the draft of some future version of the CCS specification.
 
 These are the main changes made since the `2023-06` version:
 
-*Nothing yet*
+- Changed type of `penalty_time` in contest enpoint from `integer` to `RELTIME`.
+- Changed type of time related properties in scoreboard endpoint from `integer` to `RELTIME`.
 
 ## References