docs: update changelog for 5.4.1 release

[rosen-vladimirov]

PR Checklist

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• There is an issue for the bug/feature this PR is for. To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it.
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What is the current behavior?

What is the new behavior?

Fixes/Implements/Closes #[Issue Number].