[issue43997] dataclasses documentation needs version added for match_args, kw_only, and slots

[Shreyan Avigyan]

Change by Shreyan Avigyan <shreyan.avigyan at gmail.com>:


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keywords: +patch
pull_requests: +24488
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/25803

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<https://bugs.python.org/issue43997>
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