purl-next: Update PurlDB to support on-demand - CPAN

[pombredanne]

Update PurlDB to support on-demand, live query of upstream package registries for the PURL types documented in the PURL specification to validate the existence of PURLs for one ecosystem

API endpoint - https://fastapi.metacpan.org/v1/module/Mojo::UserAgent

[TG1999]

This is done now:

Reference

• Add support cpan on demand collection #693