Fix CI: remove uv sync from test job

- Root project doesn't have pyproject.toml configured for uv sync
- Dependencies are already installed via uv pip install

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

Author: nekeal

.github/workflows/test.yml

@@ -40,7 +40,6 @@ jobs:
           python-version: "3.12"
           activate-environment: true
       - run: uv pip install cookiecutter pytest pyyaml toml
-      - run: uv sync
       - run: uv run pytest
 
   lint-generated-project: