Auto merge of #2777 - rust-lang:renovate/ember-template-lint-2.x, r=Turbo87

Update dependency ember-template-lint to v2.12.1

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [ember-template-lint](https://github.com/ember-template-lint/ember-template-lint) | devDependencies | patch | [`2.12.0` -> `2.12.1`](https://renovatebot.com/diffs/npm/ember-template-lint/2.12.0/2.12.1) |

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### Release Notes

<details>
<summary>ember-template-lint/ember-template-lint</summary>

### [`v2.12.1`](https://github.com/ember-template-lint/ember-template-lint/blob/master/CHANGELOG.md#v2121-2020-09-11)

[Compare Source](https://github.com/ember-template-lint/ember-template-lint/compare/v2.12.0...v2.12.1)

##### 🐛 Bug Fix

-   [#&#8203;1514](https://github.com/ember-template-lint/ember-template-lint/pull/1514) Ensure `bad` test cases **always** have results. ([`@&#8203;rwjblue](https://github.com/rwjblue))`

##### 🏠 Internal

-   [#&#8203;1510](https://github.com/ember-template-lint/ember-template-lint/pull/1510) Update automated release setup. ([`@&#8203;rwjblue](https://github.com/rwjblue))`

##### Committers: 2

-   Robert Jackson ([`@&#8203;rwjblue](https://github.com/rwjblue))`
-   [`@&#8203;dependabot-preview\[bot\]](https://github.com/apps/dependabot-preview)`

</details>

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: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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Author: bors

package-lock.json

@@ -90,7 +90,7 @@
     "ember-router-scroll": "2.0.2",
     "ember-source": "3.20.5",
     "ember-svg-jar": "2.2.3",
-    "ember-template-lint": "2.12.0",
+    "ember-template-lint": "2.12.1",
     "ember-test-selectors": "5.0.0",
     "ember-truth-helpers": "2.1.0",
     "ember-web-app": "4.0.0",