[rpms/perl-Module-Install-AuthorTests] PR #1: Update license to SPDX format

[Michal Josef Špaček]

mspacek merged a pull-request against the project: `perl-Module-Install-AuthorTests` that
you are following.

Merged pull-request:

``
Update license to SPDX format
``

https://src.fedoraproject.org/rpms/perl-Module-Install-AuthorTests/pull-r...