Update dependency ember-cli to v4.9.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-cli (source)	4.9.1 -> 4.9.2

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Release Notes

ember-cli/ember-cli

### [`v4.9.2`](https://togithub.com/ember-cli/ember-cli/blob/HEAD/CHANGELOG.md#v492) [Compare Source](https://togithub.com/ember-cli/ember-cli/compare/v4.9.1...v4.9.2) ##### Blueprint Changes - [`ember new` diff](https://togithub.com/ember-cli/ember-new-output/compare/v4.9.1...v4.9.2) - [`ember addon` diff](https://togithub.com/ember-cli/ember-addon-output/compare/v4.9.1...v4.9.2) ##### Changelog - [#​10108](https://togithub.com/ember-cli/ember-cli/pull/10108) \[BUGFIX release] Correctly instantiate server watcher [@​bertdeblock](https://togithub.com/bertdeblock)

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