[rust] Update Rust changelog for version 0.4.22

[bonigarcia]

User description

Description

This PR update the Rust changelog for version 0.4.22.

Motivation and Context

Part of the release 4.22.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

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PR Type

Documentation

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Description

• Updated the Rust changelog to include details for version 0.4.22.
• Added entries for new features such as mixed output handling, driver path display in error traces, and cache path handling.
• Mentioned the use of a pure Rust implementation for the which command and the inclusion of PATH environment for testing in CI.
• Updated dependencies to their latest versions and included micro-optimizations.

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Changes walkthrough 📝

	Relevant files
Documentation	CHANGELOG.md Update Rust changelog for version 0.4.22                                  rust/CHANGELOG.md Added changelog entries for version 0.4.22. Listed new features, optimizations, and dependency updates. +12/-0

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💡 PR-Agent usage:
Comment /help on the PR to get a list of all available PR-Agent tools and their descriptions

[codiumai-pr-agent-pro]

PR Reviewer Guide 🔍

⏱️ Estimated effort to review [1-5]	1
🧪 Relevant tests	No
🔒 Security concerns	No
⚡ Key issues to review	None

[codiumai-pr-agent-pro]

PR Code Suggestions ✨

Category	Suggestion	Score
Best practice	Add a date to the new version entry for consistency and clarity To maintain consistency with the previous version entries, consider adding a date for the new version 0.4.22. This helps users understand when the changes were made. rust/CHANGELOG.md [1-2] -0.4.22 +0.4.22 - YYYY-MM-DD ====== Apply this suggestion Suggestion importance[1-10]: 7 Why: Adding a date to the version entry in the changelog enhances clarity and maintains consistency with typical changelog formats, although the previous version shown does not include a date.	7

[titusfortner]

Ooh, I changed the script then missed this piece. Thanks for catching, I'll figure out the fix for next time.