Upgrade to Rust edition 2024

[Copilot]

Upgrades the crate to Rust edition 2024.

Changes

• edition = "2024" in Cargo.toml
• rust-version = "1.85" (minimum for edition 2024)

No source code changes required - the codebase is compatible with edition 2024 as-is.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Upgrade to edition 2024</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Upgrade to edition 2024 #7

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