Stray 'None' in Tutorial Entries

[johnzhou721]

Describe the bug

https://beeware.org/news/events/everything-open-2023/ has an extra None in the first paragraph.

Steps to reproduce

Goto https://beeware.org/news/events/everything-open-2023/

Expected behavior

There is none (pun intended) of None.

Screenshots

No response

Environment

• Operating System: All

Logs

No response

Additional context

No response

[VeldaKiara]

I am looking at this now.

[johnzhou721]

Closed #622 as completed via #625.