feat: add package version delete api

[shyim]

Fixed Edit Package API

❯ curl -X PUT 'https://packagist.org/api/packages/monolog/monolog?username=admin&apiToken=********' -d '{"repository":"https://github.com/Seldaek/monolog"}'
{"type":"https:\/\/tools.ietf.org\/html\/rfc2616#section-10","title":"An error occurred","status":500,"detail":"Internal Server Error"}⏎

and Docs with the correct HTTP method

New Delete Package Version API

Similar to whats right now possible to be able to delete a package version