Updating your version of elixir on a mac

[iteles]

It's been an embarrassingly long time since I did anything of any substance with Elixir (almost a year?!) so I need to update my version to the latest before I can get anything done given the latest changes.

Steps might be useful to go into the readme? Mac only though.

Step 1.

elixir -v to check the version of elixir you're running 🙈

Step 2.

brew update

Step 3.

brew upgrade elixir