Auto merge of #2834 - rust-lang:renovate/ember-data-3.21.x, r=Turbo87

Update dependency ember-data to v3.21.2

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [ember-data](https://togithub.com/emberjs/data) | devDependencies | patch | [`3.21.1` -> `3.21.2`](https://renovatebot.com/diffs/npm/ember-data/3.21.1/3.21.2) |

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### Release Notes

<details>
<summary>emberjs/data</summary>

### [`v3.21.2`](https://togithub.com/emberjs/data/compare/v3.21.1...v3.21.2)

[Compare Source](https://togithub.com/emberjs/data/compare/v3.21.1...v3.21.2)

</details>

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### Renovate configuration

:date: **Schedule**: At any time (no schedule defined).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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

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 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

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Author: bors

package-lock.json

@@ -73,7 +73,7 @@
     "ember-click-outside": "1.3.0",
     "ember-concurrency": "1.3.0",
     "ember-css-modules": "1.3.2",
-    "ember-data": "3.21.1",
+    "ember-data": "3.21.2",
     "ember-disable-prototype-extensions": "1.1.3",
     "ember-exam": "5.0.1",
     "ember-export-application-global": "2.0.1",