Fix trailing newlines in workflow templates

- Use {% endraw +%} to preserve trailing newlines in generated files
- Fixes end-of-file-fixer hook failures in CI

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

Author: nekeal

{{cookiecutter.project_slug}}/.github/workflows/cookiecutter.yml

@@ -76,4 +76,4 @@ jobs:
           title: "[Actions] Auto-Update cookiecutter template"
           body: ${{ steps.get_changelog.outputs.changelog }}
           branch: chore/auto-update-project-from-template
-          delete-branch: true{% endraw %}
+          delete-branch: true{% endraw +%}

{{cookiecutter.project_slug}}/.github/workflows/dependencies.yml

@@ -60,4 +60,4 @@ jobs:
           title: "[Actions] Auto-Update dependencies"
           body: ${{ steps.get_outdated_dependencies.outputs.body }}
           branch: chore/update-dependencies
-          delete-branch: true{% endraw %}
+          delete-branch: true{% endraw +%}