chore: release v0.13.5

[github-actions]

🤖 New release

• delegate: 0.13.4 -> 0.13.5

Changelog

0.13.5 - 2025-11-17

Other

• Enable changelog
• Merge pull request Update changelog #95 from Kobzol/update-changelog
• Update changelog
• Install cargo-expand in publish workflow
• Merge pull request Implemented delegation to fields #88 from JRRudy1/fields
• Added #[field] example and Development section to README.md
• Removed support for #[field(ref ...)] syntax in favor of #[field(& ...)]
• Added #[field] example to the module docs
• Added standard and macro expansion tests for the #[field] attribute
• Added cargo-expand installation to CI
• Implemented #[field] attribute

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