chore: Add probot-stale
chore: Add probot-stale

https://probot.github.io/apps/stale/

There are a few years of stale issues and prs. This bot will close issues over a year old and give people a chance to respond if they think the issue should stay open. After a manual review of more recent issues, we should tighten this down to 60 or 90 days.

Aloomaio/request,Aloomaio/request,request/request,request/request