🔗 Setting Up Elixir/Erlang Github Actions Using .tool-versions

asdf is my number 1 go-to tooling version manager, and anyone that isn't a convert has not experienced the horror that is Python package managers. I stand steadfast with my hot take that any and every project should use asdf to fend off the "works on my machine" issues.

And what better way to use it than in a Github Action?