docs: update CHANGELOG.md

[z0ffy]

Summary by Sourcery

Documentation:

• Update CHANGELOG.md to include details for version 1.4.0, including new features and chores.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR updates the CHANGELOG.md file to document the release of version 1.4.0, which includes a new code size analyzer feature and dependency updates.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Update changelog with version 1.4.0 release information	Add new version 1.4.0 section with release date Document new code size analyzer feature List dependency updates Add chores and housekeeping section Update unreleased section link	CHANGELOG.md

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[sourcery-ai]

Hey @z0ffy - I've reviewed your changes - here's some feedback:

Overall Comments:

• The changelog entries are dated December 2024, which appears to be a future date. Please update to reflect the actual release date.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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