fix: fixed version parsing for godot containing mono

[Sythelux]

I have a custom build which contains mono. I suppose it should still work with rust so I added it in. I also added a test case.

[Bromeon]

Thanks! This conflicts with #30, but without more description there, I'll probably merge this PR.

This CI job failed on Windows, but it's the classic trim issue, not related to the tests here. I can fix it independently.
Disregard the Linux CI job, I need to update the headers.

[Sythelux]

Thanks! This conflicts with #30, but without more description there, I'll probably merge this PR.

This CI job failed on Windows, but it's the classic trim issue, not related to the tests here. I can fix it independently. Disregard the Linux CI job, I need to update the headers.

thank you for considering. Do you need me to fix something then?