Prepare Release v0.7.0

[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 (2025-12-03)

• ember-cli-fastboot-testing 0.7.0 (major)

💥 Breaking Change

• ember-cli-fastboot-testing
  • #874 Drop support for Node.js v16 and below (@SergeAstapov)

🚀 Enhancement

• ember-cli-fastboot-testing
  • #875 Sync with latest addon blueprint via ember-cli-update; widen ember-source in peer deps (@SergeAstapov)

🐛 Bug Fix

• ember-cli-fastboot-testing
  • #923 Avoid eagerly importing nock outside of testing (@sergey-panov)

🏠 Internal

• ember-cli-fastboot-testing
  • #924 Setup release-plan (@SergeAstapov)
  • #876 Drop fastboot@1 and fastboot@2 from testing matrix (@SergeAstapov)

Committers: 2

• Sergey Astapov (@SergeAstapov)
• Sergey Panov (@sergey-panov)