[Node 24][V3] Migrate Deprecated Node URL APIs to WHATWG Standard (@W-20777230@)

[adamraya]

Description

Migrates all usages of Node.js legacy URL APIs url.parse() and url.format() to the modern WHATWG URL standard to eliminate deprecation warnings when running on Node.js 24.

The PR also removes npm 8 , since npm 8 shipped as the default package manager with Node 16 and we don't support Node 16 in PWA Kit v3, since is no longer supported by MRT, from engine constraints and CI matrix, and adds Node 24 support.

Types of Changes

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Documentation update
• Breaking change (could cause existing functionality to not work as expected)
• Other changes (non-breaking changes that does not fit any of the above)

Breaking changes include:

• Removing a public function or component or prop
• Adding a required argument to a function
• Changing the data type of a function parameter or return value
• Adding a new peer dependency to package.json

Changes

• Replaced URL.parse(req.url) with new URL(req.url, 'http://localhost') and URL.format(parsed) with WHATWG URL constructor.
• Added tests
• Updated engines.node to include ^24.0.0 across all package.json` files
• Updated CI matrix to include node 24 and npm 11

How to Test-Drive This PR

• Verify all unit tests for the runtime package pass: cd packages/pwa-kit-runtime && npm test
• Run on Node 24 and confirm no url.parse/url.format deprecation warnings appear in the console
• Run on Node 20 and confirm backward compatibility all tests pass, no functional differences

Checklists

General

• Changes are covered by test cases
• CHANGELOG.md updated with a short description of changes (not required for documentation updates)

Accessibility Compliance

You must check off all items in one of the follow two lists:

• There are no changes to UI

or...

• Changes were tested with a Screen Reader (iOS VoiceOver or Android Talkback) and had no issues
• Changes comply with WCAG 2.0 guidelines levels A and AA
• Changes to common UI patterns and interactions comply with WAI-ARIA best practices

Localization

• Changes include a UI text update in the Retail React App (which requires translation)

[cc-prodsec]

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[alexvuong]

Small comment, non blocker. LGTM