feat: pytest 9, xdist, python 3.13.1

[joshuarli]

we should be testing this on 3.13 as it's usually installed in 3.13 venvs

also adding xdist cause running all tests on my machine was slow

[github-actions]

Semver Impact of This PR

🟡 Minor (new features)

📋 Changelog Preview

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New Features ✨

• (cli) Add --config option for custom config file path by hubertdeng123 in #307

• Pytest 9, xdist, python 3.13.1 by joshuarli in #309

• Timestamps and health logs by joshuarli in #308
• Uv by joshuarli in #305

Bug Fixes 🐛

• (state) Gracefully handle stale service entries in state database by vaind in #302

Internal Changes 🔧

Release

• Fix changelog-preview permissions by BYK in #300
• Switch from action-prepare-release to Craft by BYK in #299

Other

• (deps-dev) Bump setuptools from 70.0.0 to 78.1.1 by dependabot in #294
• Pin GitHub Actions to full-length commit SHAs by joshuarli in #306

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