fix release notes CI

Author: matteius

.github/workflows/changelog.yml

@@ -28,6 +28,7 @@ jobs:
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          model: claude-sonnet-4-6
 
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v2