<issue_start><issue_comment>Title: Add note about required permissions on PAT
username_0: I got a little hung up yesterday, when trying to use this Action, because it wasn't clear what permissions were required on the PAT that we need to generate to use this project. Making it explicit that you need `repo` permissions should help folks avoid some guesswork.
<issue_comment>username_1: yes @username_0 and sorry for the delay! This will be very helpful.

There's a chance this whole manual-PAT-setting-business can be superseded by #18, so I'm going to wait for that for a couple of days.
<issue_comment>username_0: Awesome! That would be even better 😄
<issue_comment>username_2: I think this can be merged for now. Thoughts @username_1?