Fix CI mp_timeout: increase from 1s to 3s

[paddymul]

Summary

• Increase CI_TIMEOUT from 1.0s to 3.0s in mp_timeout tests
• 1s is too tight for subprocess spawn + execution on GitHub-hosted or slower runners

Test plan

• mp_timeout tests pass on all Python versions

🤖 Generated with Claude Code

[github-actions]

📦 TestPyPI package published

pip install --index-strategy unsafe-best-match --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ buckaroo==0.13.2.dev23414033488

or with uv:

uv pip install --index-strategy unsafe-best-match --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ buckaroo==0.13.2.dev23414033488

MCP server for Claude Code

claude mcp add buckaroo-table -- uvx --from "buckaroo[mcp]==0.13.2.dev23414033488" --index-strategy unsafe-best-match --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ buckaroo-table

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