docs: split CHANGELOG into versioned entries, update SECURITY.md

[laurentiu021]

Restructures CHANGELOG [Unreleased] into proper versioned entries (v0.36.0 through v0.43.0). Updates SECURITY.md supported version from 0.35.x to 0.43.x.

Summary by CodeRabbit

• Documentation
  • Updated changelog to include organized entries for versions 0.43.0, 0.42.0, 0.41.0, 0.40.1, and 0.40.0.
  • Restructured existing version entries for improved accuracy and clarity.
  • Updated supported versions table to reflect version 0.43.x as currently supported.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 9ac5d2d4-d8b2-45b7-9005-ac21a469e4a8

📥 Commits

Reviewing files that changed from the base of the PR and between da0d82c and 6e76caa.

📒 Files selected for processing (2)

• CHANGELOG.md
• SECURITY.md

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📝 Walkthrough

Walkthrough

This PR reorganizes the CHANGELOG.md file to correctly map features to their release versions (0.43.0–0.36.0), and updates SECURITY.md to mark version 0.43.x as supported instead of 0.35.x.

Changes

Documentation Updates

Layer / File(s)	Summary
Changelog version reorganization CHANGELOG.md	Release sections 0.43.0 through 0.36.0 are restructured: ETA Calculator, scrollable Drivers view, Speed Test history, and Auto-update features are added to 0.43.0–0.40.0; System Tray mode, Dashboard Health Score, and Quick Tune-Up wizard are corrected to 0.38.0–0.36.0. Version 0.39.0 is adjusted to retain only non-relocated items.
Supported versions table update SECURITY.md	The "Supported versions" table entry is changed from 0.35.x to 0.43.x to reflect the current supported release.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• laurentiu021/SystemManager#245: Both PRs restructure CHANGELOG.md by moving feature entries from "Unreleased" into proper version sections to fix changelog versioning accuracy.

Poem

🐰 The changelog hops from place to place,
Features find their rightful space!
From zero thirty-five we've grown,
To forty-three—the latest known.
Organized, neat, and version-true! 📋✨

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/changelog-security

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