refactor: use node internal modules & replace fs-extra with node:fs

[erisu]

Platforms affected

n/a

Motivation and Context

Modernaize code

Description

• Use Node Internal Modules node:*
• Replace fs-extra with node:fs
• Improve PackageJsonParser testing

Testing

• npm t

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (d5ad929) to head (12335e1).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #273   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines          656       659    +3     
=========================================
+ Hits           656       659    +3     

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