Adds supports to require() files inside script locals

[arthurfiorette]

Proposed Changes

This PR adds require() to the vm context when executing code from <script locals>.

Types of Changes

• [ ] Bug (non-breaking change which fixes an issue)
• [x] Feature (non-breaking change which adds functionality)
• [ ] Breaking Change (fix or feature which changes existing functionality)

Checklist

• [x] I have read the CONTRIBUTING guide
• [x] Lint and unit tests pass with my changes
• [x] I have added tests that prove my fix is effective/works
• [x] I have added necessary documentation (if appropriate)
• [ ] Any dependent changes are merged and published in downstream modules

Reviewers: @mrmlnc, @jescalan, @michael-ciniawsky, @posthtml/collaborators

[arthurfiorette]

any updates?