keep "set api token in dvconfig.py" working after IQSS/dataverse-sample-data#14 is merged

[pdurbin]

Once IQSS/dataverse-sample-data#14 is merged we expect this regex to break:

https://github.com/IQSS/dataverse-ansible/blob/1449311f2bb5a260b08c001ab51f85c762b5a510/tasks/sampledata.yml#L52-L56

There is some discussion here: https://github.com/IQSS/dataverse-sample-data/pull/14/files#r354356472

This issue is to remind us to be ready for this change. 😄