chore(deps): update dependency ember-cli-fastboot to v4.1.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-cli-fastboot	4.1.4 -> 4.1.5

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Configuration

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[github-actions[bot]]

Some tests with 'continue-on-error: true' have failed:

• classic-test-app test:one ember-canary

  • test-app test:one ember-canary
  • test-esa test:one ember-canary

  Created by continue-on-error-comment