fix: head sha

Author: rrrodzilla

.github/workflows/changelog.yml

@@ -24,4 +24,4 @@ jobs:
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
           git add .
           git commit -m "chore(docs): update CHANGELOG for latest tag"
-          git push origin HEAD:${{ github.event.pull_request.head.sha }}
+          git push origin HEAD:main