fix: Ensure report can be parsed with findings.

[TomBeckett]

Description

Fixes a crash when viewing a module with a security finding. I've added a basic test to JSON parse a real(ish) data.

Fixes https://github.com/PacoVK/tapir/issues/403.

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)

[PacoVK]

Thanks for your help ♥️ I will integrate and release soon