Auto merge of #3069 - rust-lang:renovate/ember-auto-import-1.x, r=Turbo87

Update dependency ember-auto-import to v1.8.0

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [ember-auto-import](https://togithub.com/ef4/ember-auto-import) | [`1.7.0` -> `1.8.0`](https://renovatebot.com/diffs/npm/ember-auto-import/1.7.0/1.8.0) | [![age](https://badges.renovateapi.com/packages/npm/ember-auto-import/1.8.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/ember-auto-import/1.8.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/ember-auto-import/1.8.0/compatibility-slim/1.7.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/ember-auto-import/1.8.0/confidence-slim/1.7.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>ef4/ember-auto-import</summary>

### [`v1.8.0`](https://togithub.com/ef4/ember-auto-import/blob/master/CHANGELOG.md#&#8203;180)

[Compare Source](https://togithub.com/ef4/ember-auto-import/compare/v1.7.0...v1.8.0)

-   ENHANCEMENT: improved leader election protocol between copies of ember-auto-import that ensures the newest one is always in charge.
-   HOUSEKEEPING: upgrades to typescript and some other deps to get better upstream types

</details>

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Author: bors

package.json

@@ -59,7 +59,7 @@
     "broccoli-asset-rev": "3.0.0",
     "ember-a11y-testing": "3.0.2",
     "ember-api-actions": "0.2.9",
-    "ember-auto-import": "1.7.0",
+    "ember-auto-import": "1.8.0",
     "ember-cli": "3.22.0",
     "ember-cli-app-version": "4.0.0",
     "ember-cli-babel": "7.23.0",