Here, we link to an issue tracker with query parameters, which works fine, but pana reports an issue

https://pub.dev/packages/google_fonts/score

Provide a valid pubspec.yaml

Issue tracker URL doesn't exist.
At the time of the analysis https://github.com/material-foundation/flutter-packages/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+google_fonts%22 was unreachable. Make sure that the website is reachable via HEAD requests.