Add fix to admin refresh cert script

[JoshuaSBrown]

Description

The admin certificate refresh script is meant to be run non-interactively, but the lego client requires the --accept-tos flag to run non-interactively and this was causing the script to hang. This pr addresses that issue.

Tasks

• [x] - Assign PR
• [x] - Assign reviewer
• [x] - Add labels
• [x] - Add Changelog line