feat: support corepack packageManager and add related unit tests [WIP]

[mmaietta]

work in progress

• adds corepack + package manager unit tests
• adds pnp.cjs support for yarn.
• other stuff to be added soon

Investigating fixes for: #9025 #9239

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[socket-security]

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Review the following alerts detected in dependencies.

According to your organization's Security Policy, it is recommended to resolve "Warn" alerts. Learn more about Socket for GitHub.

Action	Severity	Alert  (click "▶" to expand/collapse)
Warn		[email protected] is an Unpopular package. Location: Package overview From: test/fixtures/test-app-yarn-workspace-version-conflict/packages/test-app/package.json → npm/[email protected] ℹ Read more on: This package | This alert | What are unpopular packages? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at [email protected]. Suggestion: Unpopular packages may have less maintenance and contain other problems. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/[email protected]. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	foo@​1.0.0
	ms@​2.0.0
	electron-log@​2.2.9

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