Fix configparser package name on imports
This swaps import ConfigParser
with import configparser
in the clf tool scripts.
Maintenance will be performed on git.ligo.org, containers.ligo.org, and docs.ligo.org on Tuesday 30 April 2024 starting at approximately 9am PDT. It is expected to take around twenty minutes and there will be several periods of downtime throughout the maintenance. Please address any comments, concerns, or questions to the helpdesk.
This swaps import ConfigParser
with import configparser
in the clf tool scripts.