Traverse traverses the given directory and calls the given function with each file.

Walk walks the file tree rooted at root, calling fn for each file or directory in the tree, including root.

YamlDockerfiles traverses all yaml/yml in the given directory and calls the given function with each workflow.

FuncTraverse is a function that gets called with each file in a directory.

GhwFunc is a function that gets called with each file in a GitHub Actions workflow directory.