Update dependency pdm to v2.26.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pdm (changelog)	2.25.9 -> 2.26.2

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Release Notes

pdm-project/pdm (pdm)

v2.26.2

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Features & Improvements

• Only parse TOML document with tomlkit when writing is required. (#​3672)
• Add SHA256 checksums for binary releases during the release workflow and create an installer script that downloads binaries from GitHub releases with automatic platform detection and checksum verification. (#​3679)

Bug Fixes

• Fix test_use_python_write_file_multiple_versions to match PDM's actual behavior. (#​3660)
• Correctly calculate the venv path for UV_PROJECT_ENVIRONMENT env var when using uv mode. (#​3675)
• Ensure implementation.gil_disabled is a boolean in get_current_env_spec. This fix an issue that free-threaded wheels get rejected incorrectly. (#​3677)
• Fix CLI help formatting on Python 3.14+. (#​3683)
• Make PdmBasicAuth a cached_property to accelerate execution. (#​3684)

Removals and Deprecations

• Add deprecation warning for pdm search command as PyPI no longer supports search API. (#​3674)

Miscellany

• Add tests to utils.fs_supports_link_method and utils.convert_to_datetime. (#​3541)

v2.26.1

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Bug Fixes

• Substitute missing env vars with empty string in expand_env_vars. (#​3653)
• Constrained hishel to be less than 1.0.0 due to its refactor (#​3657)

v2.26.0

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Features & Improvements

• Limit the log file size to 100MB and truncate the log output if exceeded. (#​3633)
• Speed up dependency resolution in the bad path by skipping candidates of the same version when resolving. (#​3647)

Bug Fixes

• Reload project files after running hook scripts. (#​3615)
• Fix a bug when using UV as the resolver does not respect the venv.location configuration. (#​3616)
• Fix publish --skip-existing for Nexus Repository OSS >= 3.70 (#​3617)
• Fix a resolution failure when both prerelease and non-prerelease requirements exist. (#​3634)
• Ignore invalid python requirement during locking. (#​3635)
• Isolate PDM loggers with the root logger to avoid log leakage. (#​3637)
• Fix a crash when resolving URL dependencies under use_uv=true. (#​3640)

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