Add GTmetrix to bots #6233
Description
It'd be great if GTmetrix could be added to the list of bots/crawlers. These are the two user agents that are logged when I run GTmetrix on my site:
Mozilla/5.0 (X11; Linux x86_64; GTmetrix https://gtmetrix.com/) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36
and
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36