chore: changelog update for pyproject.toml

Signed-off-by: exploreriii <133720349+exploreriii@users.noreply.github.com>

Author: exploreriii

CHANGELOG.md

@@ -27,7 +27,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 - Added `checksum` filed for TopicId, FileId, ContractId, ScheduleId class
 - Added workflow for running example scripts.
 - docs: workflow.md documenting key steps to creating a pull request (#605)
-- Added python 3.13 to test.yml workflow
+- Added python 3.13 to test.yml workflow and pyproject.toml
 
 ### Changed