Update dependency ember-template-lint to v4.12.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-template-lint	4.11.0 -> 4.12.0

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Release Notes

ember-template-lint/ember-template-lint

### [`v4.12.0`](https://togithub.com/ember-template-lint/ember-template-lint/blob/HEAD/CHANGELOG.md#v4120-2022-08-05) [Compare Source](https://togithub.com/ember-template-lint/ember-template-lint/compare/v4.11.0...v4.12.0) ##### :rocket: Enhancement - [#​2574](https://togithub.com/ember-template-lint/ember-template-lint/pull/2574) Add autofixer to `no-unnecessary-component-helper` rule ([@​bmish](https://togithub.com/bmish)) - [#​2573](https://togithub.com/ember-template-lint/ember-template-lint/pull/2573) Add autofixer to `modifier-name-case` rule ([@​bmish](https://togithub.com/bmish)) - [#​2569](https://togithub.com/ember-template-lint/ember-template-lint/pull/2569) Add autofixer to `require-valid-named-block-naming-format` rule ([@​locks](https://togithub.com/locks)) ##### :memo: Documentation - [#​2513](https://togithub.com/ember-template-lint/ember-template-lint/pull/2513) Update overrides example ([@​jamescdavis](https://togithub.com/jamescdavis)) ##### Committers: 3 - Bryan Mishkin ([@​bmish](https://togithub.com/bmish)) - James C. Davis ([@​jamescdavis](https://togithub.com/jamescdavis)) - Ricardo Mendes ([@​locks](https://togithub.com/locks))

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