Do not include packages with no coverage in the output

[BrunoKrugel]

Fixes #126 #106

[mfridman]

Thanks for putting up a PR to fix this once and for all 🎉

[BrunoKrugel]

Thanks for putting up a PR to fix this once and for all 🎉

go install github.com/mfridman/tparse@latest is not downloading the last version, can we generate a 0.18 version?

[mfridman]

go install github.com/mfridman/tparse@main

Should work, but I'll allocate some time this weekend to cut a proper release and updtae the release notes.