feat(template): Enable referencing the ArtifactName from templates

[forgedhallpass]

Description

This minor change enables referencing the ArtifactName from a template, which is useful when executing Trivy at scale against multiple repositories.

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[knqyf263]

Thanks for your contribution, but this will break all the existing templates. We need to discuss it first here.

[forgedhallpass]

Thanks for your contribution, but this will break all the existing templates. We need to discuss it first here.

Good point, thanks for the response. In that case would it be an option to extend the Results object with the ArtifactName field?

[knqyf263]

Good point, thanks for the response. In that case would it be an option to extend the Results object with the ArtifactName field?

We can discuss it in GitHub Discussions.