Auto merge of #3074 - rust-lang:renovate/eslint-config-prettier-7.x, r=Turbo87

Update dependency eslint-config-prettier to v7

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [eslint-config-prettier](https://togithub.com/prettier/eslint-config-prettier) | [`6.15.0` -> `7.0.0`](https://renovatebot.com/diffs/npm/eslint-config-prettier/6.15.0/7.0.0) | [![age](https://badges.renovateapi.com/packages/npm/eslint-config-prettier/7.0.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/eslint-config-prettier/7.0.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/eslint-config-prettier/7.0.0/compatibility-slim/6.15.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/eslint-config-prettier/7.0.0/confidence-slim/6.15.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>prettier/eslint-config-prettier</summary>

### [`v7.0.0`](https://togithub.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md#Version-700-2020-12-05)

[Compare Source](https://togithub.com/prettier/eslint-config-prettier/compare/v6.15.0...v7.0.0)

-   Changed: At least ESLint 7.0.0 is now required.

-   Changed: [arrow-body-style] and [prefer-arrow-callback] are no longer turned off by default. They only need to be turned off if you use [eslint-plugin-prettier]. If you do, add `"prettier/prettier"` to your `"extends"` array to turn them off again.

    ```json
    {
      "extends": ["prettier", "prettier/prettier"],
      "plugins": ["prettier"],
      "rules": {
        "prettier/prettier": "error"
      }
    }
    ```

    Alternatively, update [eslint-plugin-prettier] to version 3.2.0 or later which automatically turns off these two rules in its `"plugin:prettier/recommended"` config.

    The CLI helper tool only warns about these rules if you have the `"prettier/prettier"` _rule_ enabled for a file.

-   Changed: `no-tabs` is now a validatable rule. If you use it, you should enable `allowIndentationTabs` so that the rule works regardless of your Prettier config:

    ```json
    {
      "rules": {
        "no-tabs": ["error", { "allowIndentationTabs": true }]
      }
    }
    ```

-   Changed: The CLI helper tool is now called just `eslint-config-prettier` instead of `eslint-config-prettier-check`. This is so that `npx eslint-config-prettier` always works regardless of whether you have already installed `eslint-config-prettier` or not: If you have, the local installation is used; if you haven’t, `npx` downloads a temporary copy.

-   Changed: The CLI helper tool no longer requires you to pipe the output of `eslint --print-config` to it. Instead, it does that automatically for you via ESLint API:s added in ESLint v7.

    Before:

        npx eslint --print-config index.js | npx eslint-config-prettier-check

    After:

        npx eslint-config-prettier index.js

-   Improved: The npm package is now 75% smaller.

</details>

---

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---

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---

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Author: bors

package.json

@@ -106,7 +106,7 @@
     "ember-web-app": "5.0.1",
     "ember-window-mock": "0.7.1",
     "eslint": "7.15.0",
-    "eslint-config-prettier": "6.15.0",
+    "eslint-config-prettier": "7.0.0",
     "eslint-plugin-ember": "10.0.2",
     "eslint-plugin-ember-concurrency": "0.2.1",
     "eslint-plugin-import-helpers": "1.1.0",

yarn.lock

@@ -7326,12 +7326,10 @@ eslint-ast-utils@^1.1.0:
     lodash.get "^4.4.2"
     lodash.zip "^4.2.0"
 
-[email protected]:
-  version "6.15.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.15.0.tgz#7f93f6cb7d45a92f1537a70ecc06366e1ac6fed9"
-  integrity sha512-a1+kOYLR8wMGustcgAjdydMsQ2A/2ipRPwRKUmfYaSxc9ZPcrku080Ctl6zrZzZNs/U82MjSv+qKREkoq3bJaw==
-  dependencies:
-    get-stdin "^6.0.0"
+[email protected]:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-7.0.0.tgz#c1ae4106f74e6c0357f44adb076771d032ac0e97"
+  integrity sha512-8Y8lGLVPPZdaNA7JXqnvETVC7IiVRgAP6afQu9gOQRn90YY3otMNh+x7Vr2vMePQntF+5erdSUBqSzCmU/AxaQ==
 
 [email protected]:
   version "0.2.1"
@@ -8453,11 +8451,6 @@ get-stdin@^4.0.1:
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
   integrity sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=
 
-get-stdin@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
-  integrity sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==
-
 get-stdin@^8.0.0:
   version "8.0.0"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-8.0.0.tgz#cbad6a73feb75f6eeb22ba9e01f89aa28aa97a53"