fix: add ansible install_mode "pip3"
fix: add ansible install_mode "pip3"

This fixes an issue that was recently created by the release of a new version of the script here: https://bootstrap.pypa.io/get-pip.py.
akeemw/drupal-vm,akeemw/drupal-vm,geerlingguy/drupal-vm,akeemw/drupal-vm,geerlingguy/drupal-vm,geerlingguy/drupal-vm,akeemw/drupal-vm,geerlingguy/drupal-vm