chore(deps-dev): bump postcss from 8.4.1 to 8.4.4 (#2867)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.1 to 8.4.4.
- [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/8.4.1...8.4.4)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -28,7 +28,7 @@
     "@wordpress/browserslist-config": "4.1.0",
     "autoprefixer": "^10.4.0",
     "eslint": "7.32.0",
-    "postcss": "8.4.1",
+    "postcss": "8.4.4",
     "postcss-import": "14.0.2",
     "postcss-nested": "5.0.6",
     "postcss-preset-env": "7.0.1",

yarn.lock

@@ -5549,10 +5549,10 @@ postcss-values-parser@6.0.1, postcss-values-parser@^6, postcss-values-parser@^6.
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@8.4.1, postcss@^8.1.6, postcss@^8.2.1, postcss@^8.2.15, postcss@^8.3, postcss@^8.3.11, postcss@^8.3.5:
-  version "8.4.1"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.1.tgz#73051f825509ad1a716ef500108001bf3d1fa8f7"
-  integrity sha512-WqLs/TTzXdG+/A4ZOOK9WDZiikrRaiA+eoEb/jz2DT9KUhMNHgP7yKPO8vwi62ZCsb703Gwb7BMZwDzI54Y2Ag==
+postcss@8.4.4, postcss@^8.1.6, postcss@^8.2.1, postcss@^8.2.15, postcss@^8.3, postcss@^8.3.11, postcss@^8.3.5:
+  version "8.4.4"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.4.tgz#d53d4ec6a75fd62557a66bb41978bf47ff0c2869"
+  integrity sha512-joU6fBsN6EIer28Lj6GDFoC/5yOZzLCfn0zHAn/MYXI7aPt4m4hK5KC5ovEZXy+lnCjmYIbQWngvju2ddyEr8Q==
   dependencies:
     nanoid "^3.1.30"
     picocolors "^1.0.0"