dogfooding: show your own scorecard results

[jkowalleck]

it would be great, if this repo would publish/link it's own score card in the badges.

[![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/ossf/scorecard-action/badge)](https://scorecard.dev/viewer/?uri=github.com/ossf/scorecard-action)