Might not add `PR: approved`

[sotayamashita]

Investigating Cannot read property 'required_approving_review_count' of undefined
https://sentry.io/organizations/pr-triage/issues/1587045240/?project=1222067&query=is%3Aunresolved

[maestromac]

I have a hunch but haven't truly verified it yet. We require 2 approvals on our repository. The bot does not seem to work when a PR has more than 2 reviews requested but works just fine when it's exactly 2 reviews.

[sotayamashita]

@maestromac I appreciate your feedback. I am gonna look into it.