Strip hyphens from hashtags for mastodon compatibiluty

[jfy133]

PR checklist

• This comment contains a description of changes (with reason)
• CHANGELOG.md is updated
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated

[mirpedrol]

LGTM!

could you update the CHANGELOG.md? The bot is failing because we modified the structure, so it's not automated now

[jfy133]

Done, I hope that's OK @mirpedrol !

[mirpedrol]

thanks!

[jfy133]

@mirpedrol can I do anything to fix the tests or can I ignore?

[mirpedrol]

I will have a look! Sorry I didn't notice there were failing tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.66%. Comparing base (8e47a33) to head (494a03f).
Report is 4 commits behind head on dev.

Additional details and impacted files

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