Support retrying failed runs

What's Changed

• Add serial rechecking on failure by @OCSalter in #2

New Contributors

• @OCSalter made their first contribution in #2

Full Changelog: v0.0.4...v0.0.5

Ready for use

Some custom base images might not have parallel, this release ensures it's present before trying to use it.

Improved file error reporting

Uses fancier file argument syntax to get improved error messsages.

Ready for use

This is the first working release of a GitHub action to validate Dhall files.

Initial Release

This is a first draft of a GitHub action to validate Dhall files.