deps: update dependency antsibull-docs to >=2.10,<2.11

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
antsibull-docs (changelog)	>=2.9,<2.10 -> >=2.10,<2.11

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Release Notes

ansible-community/antsibull-docs (antsibull-docs)

### [`v2.10.0`](https://togithub.com/ansible-community/antsibull-docs/releases/tag/2.10.0) [Compare Source](https://togithub.com/ansible-community/antsibull-docs/compare/2.9.0...2.10.0) ##### Release Summary Bugfix and feature release. ##### Minor Changes - It is now possible to render the collection changelog as part of the collection docsite by using the changelog option in docs/docsite/config.yml ([#​31](https://togithub.com/ansible-community/antsibull-docs/issues/31), [#​267](https://togithub.com/ansible-community/antsibull-docs/pull/267)). ##### Bugfixes - Fix internal links to options and return values in simplified RST output ([#​269](https://togithub.com/ansible-community/antsibull-docs/pull/269)). - Include role in role attribute references ([#​269](https://togithub.com/ansible-community/antsibull-docs/pull/269)).

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