Update dependency ember-cli to v6.12.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ember-cli (source)	6.11.2 → 6.12.0

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Release Notes

ember-cli/ember-cli (ember-cli)

v6.12.0

• ember-cli 6.12.0-alpha.5 (patch)

🐛 Bug Fix

• ember-cli
  • #​10949 [backport release] remove unused isbinaryfile from ember-cli package (@​mansona)
  • #​10940 [bugfix release] remove fixturify-project from dependencies (@​mansona)

🏠 Internal

• ember-cli
  • #​10955 Merge beta into master (@​mansona)
  • #​10952 add correct --publish-branch to pnpm publish (@​mansona)
  • #​10951 Fix PR name for stable release-plan pull request (@​mansona)
  • #​10950 [backport release] update release-plan for OIDC (@​mansona)

Committers: 1

• Chris Manson (@​mansona)

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