Auto merge of #4642 - rust-lang:renovate/postcss-8.x, r=locks

Update dependency postcss to v8.4.12

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [postcss](https://postcss.org/) ([source](https://togithub.com/postcss/postcss)) | [`8.4.8` -> `8.4.12`](https://renovatebot.com/diffs/npm/postcss/8.4.8/8.4.12) | [![age](https://badges.renovateapi.com/packages/npm/postcss/8.4.12/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/postcss/8.4.12/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/postcss/8.4.12/compatibility-slim/8.4.8)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/postcss/8.4.12/confidence-slim/8.4.8)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>postcss/postcss</summary>

### [`v8.4.12`](https://togithub.com/postcss/postcss/blob/HEAD/CHANGELOG.md#&#8203;8412)

[Compare Source](https://togithub.com/postcss/postcss/compare/8.4.11...8.4.12)

-   Fixed `package.funding` to have same value between all PostCSS packages.

### [`v8.4.11`](https://togithub.com/postcss/postcss/blob/HEAD/CHANGELOG.md#&#8203;8411)

[Compare Source](https://togithub.com/postcss/postcss/compare/8.4.10...8.4.11)

-   Fixed `Declaration#raws.value` type.

### [`v8.4.10`](https://togithub.com/postcss/postcss/blob/HEAD/CHANGELOG.md#&#8203;8410)

[Compare Source](https://togithub.com/postcss/postcss/compare/8.4.9...8.4.10)

-   Fixed `package.funding` URL format.

### [`v8.4.9`](https://togithub.com/postcss/postcss/blob/HEAD/CHANGELOG.md#&#8203;849)

[Compare Source](https://togithub.com/postcss/postcss/compare/8.4.8...8.4.9)

-   Fixed `package.funding` (by Álvaro Mondéjar).

</details>

---

### Configuration

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

---

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

---

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Author: bors

package.json

@@ -132,7 +132,7 @@
     "webpack": "5.70.0"
   },
   "resolutions": {
-    "ember-css-modules/postcss": "8.4.8",
+    "ember-css-modules/postcss": "8.4.12",
     "ember-inflector": "4.0.2",
     "ember-modifier": "3.1.0",
     "miragejs": "0.1.43"

yarn.lock

@@ -11864,10 +11864,10 @@ postcss-values-parser@^2.0.0, postcss-values-parser@^2.0.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss@8.4.8, postcss@^8.0.0, postcss@^8.1.4, postcss@^8.2.15:
-  version "8.4.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.8.tgz#dad963a76e82c081a0657d3a2f3602ce10c2e032"
-  integrity sha512-2tXEqGxrjvAO6U+CJzDL2Fk2kPHTv1jQsYkSoMeOis2SsYaXRO2COxTdQp99cYvif9JTXaAk9lYGc3VhJt7JPQ==
+postcss@8.4.12, postcss@^8.0.0, postcss@^8.1.4, postcss@^8.2.15:
+  version "8.4.12"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.12.tgz#1e7de78733b28970fa4743f7da6f3763648b1905"
+  integrity sha512-lg6eITwYe9v6Hr5CncVbK70SoioNQIq81nsaG86ev5hAidQvmOeETBqs7jm43K2F5/Ley3ytDtriImV6TpNiSg==
   dependencies:
     nanoid "^3.3.1"
     picocolors "^1.0.0"
@@ -12643,12 +12643,12 @@ rxjs@^6.4.0, rxjs@^6.6.0:
   dependencies:
     tslib "^1.9.0"
 
-safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.2, safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@5.2.1, safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.0:
+safe-buffer@5.2.1, safe-buffer@^5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==