Install snowpack for development failed.

Quick checklist

• I am using the latest version of Snowpack and all plugins.

What package manager are you using?

npm

What operating system are you using?

Linux

Describe the bug

I am encountering a problem installing snow pack because I am always getting an err, Anybody with a suggestion can help. Image description below

Steps to reproduce

I am being told that the library is no longer supported.

Link to minimal reproducible example (optional)

https://github.com/mugishap/postguy