Update CHANGELOG.md

[cgtobi]

No description provided.

[sourcery-ai]

PR Type: Documentation

PR Summary: The pull request updates the CHANGELOG.md to reflect recent additions and fixes in the project. It reorganizes entries under the correct version headings and updates the comparison links for the unreleased and released versions.

Decision: Comment

📝 Type: 'Documentation' - not supported yet.

• Sourcery currently only approves 'Typo fix' PRs.

✅ Issue addressed: this change correctly addresses the issue or implements the desired feature.

No details provided.

✅ Small diff: the diff is small enough to approve with confidence.

No details provided.

General suggestions:

• Ensure that the CHANGELOG is clear and free of placeholders that might confuse readers. If a section has no entries, it's better to remove the section rather than leaving an empty placeholder.
• Double-check the link references for accuracy and uniqueness to prevent confusion about what changes are included in each version.
• Consider adding a brief description of the changes under each version heading to provide context for the additions and fixes.

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[sourcery-ai]

issue (llm): The link reference for version 8.0.2 seems to have been duplicated with different compare ranges. Please ensure that the link references are unique and accurate.