Prepare Release v4.0.0

[github-actions]

This PR is a preview of the release that release-plan has prepared. To release you should just merge this PR 👍

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Release (2025-03-07)

ember-try 4.0.0 (major)

💥 Breaking Change

• ember-try
  • #1037 Remove passing an ember-cli project instance to the config function (@bertdeblock)
  • #994 pnpm: Ignore scripts by default (@NullVoxPopuli)
  • #968 Update Node support (drop v16, test against v20 and v21) (@bertdeblock)
  • #965 Use the system's temp folder for backing up package-manager files (@bertdeblock)
  • #964 Drop support for npm v4 (@bertdeblock)
  • #962 Stop backing up the node_modules folder (@bertdeblock)

🚀 Enhancement

• ember-try
  • #1025 Support a packageManager option (instead of usePnpm and useYarn) (@bertdeblock)
  • #965 Use the system's temp folder for backing up package-manager files (@bertdeblock)

🐛 Bug Fix

• ember-try
  • #1024 Update all dependencies with non-breaking changes (@bertdeblock)
  • #966 Enforce resolution-mode=highest for pnpm versions 8.0.0 to 8.6.* (@lolmaus)
  • #962 Stop backing up the node_modules folder (@bertdeblock)

📝 Documentation

• ember-try
  • #807 Use scenario names available in default addon blueprint (@jelhan)

🏠 Internal

• ember-try
  • #1088 Update release-plan actions, workflows via create-release-plan-setup (@kategengler)
  • #1085 Update release-plan workflows. (@kategengler)
  • #1036 Don't use ember-cli project instance outside of ember-cli commands (@bertdeblock)
  • #1048 Use pnpm for running scripts (@bertdeblock)
  • #1050 use package.json pnpm version for release-plan (@mansona)
  • #1039 Start using release-plan (@mansona)
  • #1049 Pin pnpm version (@bertdeblock)
  • #1038 Switch to pnpm (@mansona)
  • #1035 Remove custom findByName util (@bertdeblock)
  • #1034 Migrate test suite to ES modules (@bertdeblock)
  • #1030 Remove use of ember-cli ui instance (@bertdeblock)
  • #1029 Remove use of mockery (@bertdeblock)
  • #1028 Remove some unused files (@bertdeblock)
  • #1026 Use a completely separate adapter for yarn (@bertdeblock)
  • #1027 Update lint setup (@bertdeblock)
  • #1022 Use only one ESLint config file (@bertdeblock)
  • #1023 Use ember version command to make test output more readable (@bertdeblock)
  • #1021 Remove use of rsvp (@bertdeblock)
  • #1020 Remove use of core-object for adapters (@bertdeblock)
  • #1000 Remove use of core-object for utils (@bertdeblock)
  • #999 Remove use of core-object for tasks (@bertdeblock)
  • #1001 Update ESLint config to properly support native classes (@bertdeblock)
  • #1002 Clean up everything related to Bower (@bertdeblock)
  • #969 Update development dependencies (@bertdeblock)
  • #972 Update branch name and remove Appveyor badge from README -- it is no longer used (@kategengler)
  • #971 Update CodeCov upload (@kategengler)
  • #963 Add test to verify original node modules are installed again (@bertdeblock)

Committers: 6

• Andrey Mikhaylov (lolmaus) (@lolmaus)
• Bert De Block (@bertdeblock)
• Chris Manson (@mansona)
• Jeldrik Hanschke (@jelhan)
• Katie Gengler (@kategengler)
• @NullVoxPopuli

[kategengler]

I relabeled a PR and I'd like to update the release-plan CI stuff before releasing since this didn't regenerate (I can do so this afternoon).

[kategengler]

See #1085 -- just needs a review