cpan: Add extid manifest to CpanPackageInfo
It enables to avoid downloading and processing a release archive for a CPAN module if it has already been archived by Software Heritage.
Related to swh-lister#2833
Migrated from D8801 (view on Phabricator)
Staging instance, all changes can be removed at any time
It enables to avoid downloading and processing a release archive for a CPAN module if it has already been archived by Software Heritage.
Related to swh-lister#2833
Migrated from D8801 (view on Phabricator)