chore(manifest)!: upgrade the edition to 2024

[kurosakishigure]

Signed-off-by: Shigure Kurosaki [email protected]

Summary of Changes

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Description

• What is the purpose of this PR?
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• What problem does it solve?
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• Are there any breaking changes or backwards compatibility issues?
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Related Issue

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Checklist

• I have read and followed the guidelines in CONTRIBUTING.md
• I have already updated the related examples accordingly (if applicable)
• I have written or updated relevant docs (if applicable)
• I have already updated the related CI config accordingly (if applicable)
• I have added or updated tests to cover my changes (if applicable)
• I have already updated the related build system accordingly (if applicable)
• I have reviewed my code for any potential issues

Additional Notes

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[Copilot]

PR Overview

This PR upgrades the Rust edition and minimum supported Rust version for the project.

• Updated Cargo.toml by upgrading the edition from "2021" to "2024" and rust-version from "1.78.0" to "1.85.0".
• Updated README.md to reflect the new minimum supported Rust version.

Reviewed Changes

File	Description
Cargo.toml	Upgraded Rust edition and minimum supported Rust version
README.md	Updated documented Rust version to match Cargo.toml

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.