Update embroider monorepo to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@embroider/test-setup (source)	3.0.3 → 4.0.0

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Release Notes

embroider-build/embroider (@​embroider/test-setup)

v4.0.0

@​embroider/compat 3.4.8 (patch)
@​embroider/core 3.4.8 (patch)
@​embroider/macros 1.16.0 (minor)
@​embroider/test-setup 4.0.0 (major)
@​embroider/webpack 4.0.0 (major)

💥 Breaking Change

• @embroider/webpack
  • #​1868 Adjusting @embroider/webpack to use @babel/preset-env to avoid critical security audit (@​lupestro)

🚀 Enhancement

• @embroider/macros, @embroider/test-fixtures
  • #​1858 Add support for {{unless}} to the macroCondition macro (@​Windvis)

🐛 Bug Fix

• @embroider/core, @embroider/test-scenarios
  • #​1885 Fix pre support in portable babel launcher (@​ef4)

Committers: 3

• Edward Faulkner (@​ef4)
• Ralph Mack (@​lupestro)
• Sam Van Campenhout (@​Windvis)

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⚠️ Artifact update problem

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The artifact failure details are included below:

File name: pnpm-lock.yaml

[WARN] The "pnpm" field in package.json is no longer read by pnpm. The following keys were ignored: "pnpm.peerDependencyRules". See https://pnpm.io/settings for the new home of each setting.