Run documentation spread tests in CI

[lengau]

What needs to get done

Create a CI job to run the documentation spread tests.

Why it needs to get done

@erinecon created some docs spread tests, but I asked her to disable the task in CI so I could enable it, since those tests take a long time.

[syncronize-issues-to-jira]

Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/CRAFT-3796.

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[syncronize-issues-to-jira]

Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/CRAFT-3797.

This message was autogenerated

[syncronize-issues-to-jira]

Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/CRAFT-3798.

This message was autogenerated