fix: replace download dependency

[erezrokah]

Related to netlify/cli#2744

It has security vulnerabilities since it depends on an outdated got.
Doesn't look like it's going to be fixed soon kevva/download#212

[erezrokah]

Since we already have node-fetch as a dependency it might be good to find something that relies on it instead of having both got and node-fetch as a dependency.

[erezrokah]

Also related to kevva/download#213 and kevva/download#216

[XhmikosR]

This no longer happens. :)