Use forceActual: true when resolving dependency tree

[tobybessant]

This pull request introduces a new end-to-end (E2E) test suite for handling optional dependencies in npm projects, specifically to verify that the generate-license-file tool works correctly when optional dependencies are omitted from installation. Additionally, it upgrades the @npmcli/arborist dependency and adds a minor performance log to the CLI. The changes are grouped below by theme:

E2E Testing for Optional Dependencies:

• Added a new E2E test project in e2e/optional-dependencies with configuration files (README.md, jest.config.js, package.json, tsconfig.json) and a test verifying license file generation when optional dependencies are omitted. [1] [2] [3] [4] [5] [6]
• Added a corresponding Nx project configuration in src/packages/generate-license-file-e2e/optional-dependencies/project.json to automate E2E testing with omitted optional dependencies. [1] [2]

Dependency Management:

• Upgraded @npmcli/arborist from version 9.0.0 to 9.1.1 in both src/package.json and src/package-lock.json to ensure compatibility and bug fixes. [1] [2] [3]

CLI Improvements:

• Added a performance log to the CLI in main.ts, displaying the time taken to generate the license file. [1] [2]

Internal Dependency Resolution:

• Updated resolveNpmDependencies.ts to use arborist.loadActual({ forceActual: true }), ensuring the actual dependency tree is loaded even if optional dependencies are omitted.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (ae58734) to head (07950ea).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #638   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           31        31           
  Lines          581       581           
  Branches       101       101           
=========================================
  Hits           581       581           

☔ 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.

[tobybessant]

Closing - unfortunately using forceActual: true had too many other side effects, so going with another approach.