chore(deps): update pdm to v2.20.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence	Type	Update
pdm (changelog)	2.20.0.post1 -> 2.20.1						patch
pdm-project/pdm	2.20.0 -> 2.20.1					repository	patch

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Release Notes

pdm-project/pdm (pdm)

v2.20.1

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Features & Improvements

• Add a fixer to remove the deprecated cross_platform strategy from lock file. (#​3259)

Bug Fixes

• Fix the bug that pdm build would fail when use_uv is true. (#​3231)
• Fix group name normalization when comparing groups. (#​3247)
• Inherit file descriptors instead of closing when running child processes in pdm run. (#​3252)
• Fix using no_proxy when all_proxy is set. (#​3254)
• Preserve multiline arrays and don't add empty tool.pdm table header when updating the pyproject.toml. (#​3258)
• Fix compatibility of ErrorArgumentParser for Python 3.12 and above. (#​3264)

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