Measure Code Coverage for Pester

[nohwnd]

Checklist

• [X] Feature request has a meaningful title
• [X] I have searched the existing issues. See all issues
• [X] I have tested using the latest version of Pester. See Installation and update guide.

Summary of the feature request

Pester is not enabling Code Coverage, probably because we are testing code coverage, and use P tests. Let's see if we can measure coverage somehow completely.

How should it work?

No response