chore: Copy license files to artifacts

[michaeldowseza]

Issue #, if available:

Description of changes:
Ensure we copy the necessary license files across to each generated package.

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[dpitcock]

looks like a code coverage issue, code coverage should be irrelevant as coverage only covers test in the src dir

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.38%. Comparing base (5e804cd) to head (9c86933).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #113   +/-   ##
=======================================
  Coverage   97.38%   97.38%           
=======================================
  Files          45       45           
  Lines        2139     2139           
  Branches      401      394    -7     
=======================================
  Hits         2083     2083           
  Misses         56       56           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.