fix: move SHA fix to existing Fixed section in CHANGELOG

Signed-off-by: cheese-cakee <farzanaman99@gmail.com>

Author: cheese-cakee

CHANGELOG.md

@@ -73,9 +73,6 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 - Coderabbit prompt for .github
 - Added merge conflict bot workflow (`.github/workflows/bot-merge-conflict.yml`) and helper script (`.github/scripts/bot-merge-conflict.js`) to detect and notify about PR merge conflicts, with retry logic for unknown mergeable states, idempotent commenting, and push-to-main recheck logic (#1247)
 
-### Fixed
-- Fixed step-security/harden-runner action SHA in merge conflict bot workflow (#1278)
-
 ### Changed
 - Bumped requests from 2.32.3 to 2.32.4 to 2.32.5
 - Moved `docs/sdk_developers/how_to_link_issues.md` to `docs/sdk_developers/training/workflow/how_to_link_issues.md` and updated all references (#1222)
@@ -121,6 +118,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 
 ### Fixed
 
+- Fixed step-security/harden-runner action SHA in merge conflict bot workflow (#1278)
 - Fixed the README account balance example to use correct SDK APIs and provide a runnable testnet setup. (#1250)
 - Fix token association verification in `token_airdrop_transaction.py` to correctly check if tokens are associated by using `token_id in token_balances` instead of incorrectly displaying zero balances which was misleading (#[815])
 - Fixed inactivity bot workflow not checking out repository before running (#964)