This implements https://pagure.io/setup/issue/51.
The "upstream" is only used to build the package in our dist-git, so we can reduce the
total amount of work by moving files downstream and maintaining them there.
The package after the rebuild is identical, except for intentional changes
(removal of Group, updating of Url, bumping of the Version):
$ rpmdiff -iT noarch/setup-2.14.5-2.fc41.noarch.rpm noarch/setup-2.15.0-1.fc41.noarch.rpm
S.5..... GROUP
S.5..... URL
removed REQUIRES config(setup) = 2.14.5-2.fc41
added REQUIRES config(setup) = 2.15.0-1.fc41
removed PROVIDES config(setup) = 2.14.5-2.fc41
removed PROVIDES setup = 2.14.5-2.fc41
added PROVIDES config(setup) = 2.15.0-1.fc41
added PROVIDES setup = 2.15.0-1.fc41
