ActivityPub posts should render dates properly

[mark.reeves]

Ideally all Discourse tags would be handled gracefully (rendered or omitted), but we should make sure that dates are output directly:

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Onebox renders the date nicely:

Webinar: Growing and Retaining Your Community

On, 2025-05-20T17:00:00Z (UTC) we explored why people join and stay in communities! Watch the Replay [Why people join and stay in communities] Key Takeaways What is participation, anyway? [Participation - Why People Join and Stay in Communities (1)] [Participation - Why People Join and Stay in Communities] [Participation - Why People Join and Stay in Communities] Key Motivators for Community Participation Getting help or solving a problem/practical need. Connecting with lik…

[angus (Angus McLeod)]

Thanks! This will address that.

https://github.com/discourse/discourse-activity-pub/pull/218