Update dependency @ember/test-helpers to v2.9.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@ember/test-helpers	2.8.1 -> 2.9.0

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Release Notes

emberjs/ember-test-helpers

### [`v2.9.0`](https://togithub.com/emberjs/ember-test-helpers/blob/HEAD/CHANGELOG.md#v290-2022-12-14) [Compare Source](https://togithub.com/emberjs/ember-test-helpers/compare/v2.8.1...v2.9.0) ##### :rocket: Enhancement - [#​1269](https://togithub.com/emberjs/ember-test-helpers/pull/1269) Re-export hasEmberVersion (and its type) from [@​ember/test-helpers](https://togithub.com/ember/test-helpers) ([@​gitKrystan](https://togithub.com/gitKrystan)) - [#​1278](https://togithub.com/emberjs/ember-test-helpers/pull/1278) perf: Remove excessive destroy call ([@​runspired](https://togithub.com/runspired)) - [#​1234](https://togithub.com/emberjs/ember-test-helpers/pull/1234) Introduce public TypeScript support ([@​chriskrycho](https://togithub.com/chriskrycho)) ##### :bug: Bug Fix - [#​1277](https://togithub.com/emberjs/ember-test-helpers/pull/1277) Actually publish .d.ts ([@​gitKrystan](https://togithub.com/gitKrystan)) - [#​1270](https://togithub.com/emberjs/ember-test-helpers/pull/1270) Fix typesVersions path ([@​gitKrystan](https://togithub.com/gitKrystan)) - [#​1233](https://togithub.com/emberjs/ember-test-helpers/pull/1233) Add more keyCode mappings ([@​CvX](https://togithub.com/CvX)) ##### :memo: Documentation - [#​1259](https://togithub.com/emberjs/ember-test-helpers/pull/1259) DOCS: API: publish docs for tab ([@​geneukum](https://togithub.com/geneukum)) ##### Committers: 5 - Chris Krycho ([@​chriskrycho](https://togithub.com/chriskrycho)) - Chris Thoburn ([@​runspired](https://togithub.com/runspired)) - Geordan Neukum ([@​geneukum](https://togithub.com/geneukum)) - Jarek Radosz ([@​CvX](https://togithub.com/CvX)) - Krystan HuffMenne ([@​gitKrystan](https://togithub.com/gitKrystan))

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