Bump postcss from 8.2.3 to 8.2.4 (#1218)

Bumps [postcss](https://github.com/postcss/postcss) from 8.2.3 to 8.2.4.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.2.3...8.2.4)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -48,7 +48,7 @@
     "lint-staged": "^10.5.3",
     "markdown-it": "^12.0.4",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.2.3",
+    "postcss": "^8.2.4",
     "postcss-cli": "^8.3.1",
     "postcss-header": "^3.0.1",
     "postcss-import": "^12.0.1",

yarn.lock

@@ -2514,10 +2514,10 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.2.3:
-  version "8.2.3"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.3.tgz#14ed1294850c99661761d9cb68863718eb75690d"
-  integrity sha512-tdmNCCmxJEsLZNj810qlj8QbvnUNKFL9A5doV+uHrGGK/YNKWEslrytnHDWr9M/GgGjfUFwXCRbxd/b6IoRBXQ==
+postcss@^8.2.4:
+  version "8.2.4"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.4.tgz#20a98a39cf303d15129c2865a9ec37eda0031d04"
+  integrity sha512-kRFftRoExRVXZlwUuay9iC824qmXPcQQVzAjbCCgjpXnkdMCJYBu2gTwAaFBzv8ewND6O8xFb3aELmEkh9zTzg==
   dependencies:
     colorette "^1.2.1"
     nanoid "^3.1.20"