Auto merge of #3803 - rust-lang:renovate/ember-test-helpers-2.x, r=Turbo87

Update dependency @ember/test-helpers to v2.2.9

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [`@ember/test-helpers](https://togithub.com/emberjs/ember-test-helpers)` | [`2.2.8` -> `2.2.9`](https://renovatebot.com/diffs/npm/`@ember%2ftest-helpers/2.2.8/2.2.9)` | [![age](https://badges.renovateapi.com/packages/npm/`@ember%2ftest-helpers/2.2.9/age-slim)](https://docs.renovatebot.com/merge-confidence/)` | [![adoption](https://badges.renovateapi.com/packages/npm/`@ember%2ftest-helpers/2.2.9/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)` | [![passing](https://badges.renovateapi.com/packages/npm/`@ember%2ftest-helpers/2.2.9/compatibility-slim/2.2.8)](https://docs.renovatebot.com/merge-confidence/)` | [![confidence](https://badges.renovateapi.com/packages/npm/`@ember%2ftest-helpers/2.2.9/confidence-slim/2.2.8)](https://docs.renovatebot.com/merge-confidence/)` |

---

### Release Notes

<details>
<summary>emberjs/ember-test-helpers</summary>

### [`v2.2.9`](https://togithub.com/emberjs/ember-test-helpers/blob/master/CHANGELOG.md#v229-2021-07-27)

[Compare Source](https://togithub.com/emberjs/ember-test-helpers/compare/v2.2.8...v2.2.9)

##### 🐛 Bug Fix

-   [#&#8203;1066](https://togithub.com/emberjs/ember-test-helpers/pull/1066) Correctly import deprecate from ``@ember/debug`` ([`@&#8203;mydea](https://togithub.com/mydea))`

##### 📝 Documentation

-   [#&#8203;1052](https://togithub.com/emberjs/ember-test-helpers/pull/1052) add badge ([`@&#8203;stefanpenner](https://togithub.com/stefanpenner))`

##### 🏠 Internal

-   [#&#8203;1069](https://togithub.com/emberjs/ember-test-helpers/pull/1069) Remove ember-data from test harness ([`@&#8203;rwjblue](https://togithub.com/rwjblue))`
-   [#&#8203;1067](https://togithub.com/emberjs/ember-test-helpers/pull/1067) Test `{{in-element}}` instead of deprecated `{{-in-element}}` ([`@&#8203;mydea](https://togithub.com/mydea))`
-   [#&#8203;1053](https://togithub.com/emberjs/ember-test-helpers/pull/1053) Remove unused `vendor/.gitkeep` ([`@&#8203;rwjblue](https://togithub.com/rwjblue))`

##### Committers: 4

-   Francesco Novy ([`@&#8203;mydea](https://togithub.com/mydea))`
-   Robert Jackson ([`@&#8203;rwjblue](https://togithub.com/rwjblue))`
-   Stefan Penner ([`@&#8203;stefanpenner](https://togithub.com/stefanpenner))`
-   [`@&#8203;dependabot-preview\[bot\]](https://togithub.com/apps/dependabot-preview)`

</details>

---

### Configuration

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🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

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---

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Author: bors

package.json

@@ -51,7 +51,7 @@
   "devDependencies": {
     "@ember/optional-features": "2.0.0",
     "@ember/render-modifiers": "1.0.2",
-    "@ember/test-helpers": "2.2.8",
+    "@ember/test-helpers": "2.2.9",
     "@embroider/compat": "0.43.0",
     "@embroider/core": "0.43.0",
     "@embroider/webpack": "0.43.0",

yarn.lock

@@ -1165,10 +1165,10 @@
   dependencies:
     ember-cli-babel "^7.4.0"
 
-"@ember/[email protected].8":
-  version "2.2.8"
-  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.2.8.tgz#3f1c1ab828098e4a6a6209b7c28b124ac614a73f"
-  integrity sha512-1en4cBDoI3+1xtl7k5QtGpPgKmuvF0D7Azs0JSlv3ttV1Fxb3ukLZ/2Giz1IOEMogO4B+k7fGFeYpANVJuNWqA==
+"@ember/[email protected].9":
+  version "2.2.9"
+  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.2.9.tgz#68cceb50ad5b8adedad5d8bf73b39ff71a07f4a6"
+  integrity sha512-QLwV2ASk7XB9+SLCNKFu+y9iNbTsH2Ah3eaJiHZ01uDgVsYZZfJCINhUB9/sY19VagBQnP5Te3QowI6qw3XeLA==
   dependencies:
     "@ember/test-waiters" "^2.4.4"
     broccoli-debug "^0.6.5"