deps: update pre-commit hook ansible-community/antsibull-changelog to v0.28.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ansible-community/antsibull-changelog	repository	minor	0.27.0 -> 0.28.0

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Release Notes

ansible-community/antsibull-changelog (ansible-community/antsibull-changelog)

### [`v0.28.0`](https://togithub.com/ansible-community/antsibull-changelog/releases/tag/0.28.0) [Compare Source](https://togithub.com/ansible-community/antsibull-changelog/compare/0.27.0...0.28.0) ##### Release Summary Feature release. ##### Minor Changes - There is now an option changelog_nice_yaml to prepend the YAML document start marker --- to the header of the changelogs/changelog.yaml file, and to increases indentation level on list items. This makes the file pass ansible-lint ([#​91](https://togithub.com/ansible-community/antsibull-changelog/issues/91), [#​152](https://togithub.com/ansible-community/antsibull-changelog/issues/152), [#​160](https://togithub.com/ansible-community/antsibull-changelog/pull/160)).

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