Add dependencies field to pyproject.toml to fix workflow error

The `test_stub_quality` workflow failed with `ModuleNotFoundError: No module named 'requests'` because `pyproject.toml` was missing the required `dependencies` field in the `[project]` section. ## Root Cause When using `uv pip install -r pyproject.toml --extra <name>`, the pyproject.toml file must include a `dependencies` field in the `[project]` section, even if it's empty. Without this field, uv doesn't properly process the optional-dependencies. ## Changes **Added to pyproject.toml:** ```toml [project] name = "micropython-stubs" # ... other fields ... dependencies = [] # Added this line ``` This allows the existing workflow command `uv pip install -r pyproject.toml --extra stubber --extra test` to properly install optional dependencies including `requests`. ## Files Updated - `pyproject.toml` - Added `dependencies = []` to `[project]` section The workflow syntax was already correct and remains unchanged. <!-- START COPILOT CODING AGENT SUFFIX --> <details> <summary>Original prompt</summary> > please fix this error in the workflow > > https://github.com/Josverl/micropython-stubs/actions/runs/19227708441/job/54958671437#step:9:1 > > </details> <!-- START COPILOT CODING AGENT TIPS --> --- 💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more [Copilot coding agent tips](https://gh.io/copilot-coding-agent-tips) in the docs.