bb gh deploy should move the card to Deployed by


Pull request for [bb gh deploy should move the card to Deployed by](https://trello.com/c/P58rdZLE/1993-bb-gh-deploy-should-move-the-card-to-deployed-by).

I recommend reviewing refactor as a separate commit ;)    
“Easier to ask forgiveness than permission”

```python
try:
    return match.groupdict()['id']
except (AttributeError, KeyError):
    raise ValueError("Can't find URL in the PR description")