Merge pull request #207 from chrisgavin/update-ubuntu

Update Ubuntu runner image version.

Merge pull request #190 from tjgurwara99/tjgurwara99/recursively-chec…

…k-parent-dirs-until-dot-git-is-found

Recursively check parent dirs until .git directory is found

Merge pull request #180 from chrisgavin/input-default-types

Handle more input default types.

Merge pull request #37 from chrisgavin/dependabot/github_actions/acti…

…ons/checkout-3.0.2

Bump actions/checkout from 3.0.0 to 3.0.2

Merge pull request #33 from chrisgavin/safeexec-windows

Lookup path to `gh` safely on Windows.

Merge pull request #21 from chrisgavin/workflow-validation-warnings

Make workflow validation more robust and report invalid workflows as warnings.

Merge pull request #1 from chrisgavin/initial-code

Add the initial code.