Nominating Joshua Casey for Python Contributor role

[robdimsdale]

I'd like to nominate @joshuatcasey as a contributor for the python sub team. He has made multiple valuable contributions - both in terms of code and in terms of architectural discussions and decision-making.

cc @paketo-buildpacks/python-maintainers

Thanks,
Rob

[ryanmoran]

Congrats @joshuatcasey! You've been added to the Python Contributors team.

[joshuatcasey]

Thanks!