Backport #34385 by @lunny
There will be a possible bug when migrating from Github
https://github.com/google/go-github/issues/3229
This PR upgrades go-github from v61 to v71 to resolve that problem.
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Change all license headers to comply with REUSE specification.
Fix#16132
Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
A pr.Reviewer may be nil when migrating from Gitea if this is a team
request review.
We do not migrate teams therefore we cannot map these requests, but we can
migrate user requests.
Signed-off-by: Andrew Thornton <art27@cantab.net>