build(deps): update dependency pdm to v2.25.6

[serious-scaffold]

This PR contains the following updates:

Package	Change	Age	Confidence
pdm (changelog)	2.25.4 -> 2.25.6

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Release Notes

pdm-project/pdm (pdm)

v2.25.6

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Features & Improvements

• The pdm python install -v command now shows the download URL for the Python interpreter. (#​3552)

Bug Fixes

• Ensure make_array always returns a tomlkit array type. (#​3586)
• Preserve multi-line help text in the CLI help output. (#​3587)
• Re-caculate artifact files and hashes when the lock target changes. (#​3595)

Dependencies

• Require packaging>22.0 and remove conditional PACKAGING_22 version checks. (#​3601)
• Bump truststore to version 0.10.4. (#​3602)

v2.25.5

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Features & Improvements

• Tell the difference between free-threaded Python and normal ones. Users need to request for free-threaded versions explicitly by adding t to the version string, otherwise the normal build will be preferred. (#​3562)

Bug Fixes

• Fix a bug that editable local package URLs are empty when using pylock.toml. (#​3565)
• Fix a bug where pdm export with --lockfile pylock.toml produced empty requirements.txt files due to missing group information extraction from pylock format markers. (#​3573)
• Read metadata from installed distribution when using reuse-installed strategy. (#​3579)
• Fix a lockfile writing error when locking git dependencies in the pylock.toml format. (#​3582)

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