chore(deps-dev): bump postcss from 8.4.35 to 8.4.38 in /es-design-system

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.35 to 8.4.38.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.35...8.4.38)

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

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

es-design-system/package.json

@@ -62,7 +62,7 @@
         "eslint-plugin-vuejs-accessibility": "^2.1.0",
         "node-sass": "^7.0.1",
         "null-loader": "^4.0.1",
-        "postcss": "^8.4.24",
+        "postcss": "^8.4.38",
         "postcss-html": "^1.5.0",
         "postcss-preset-env": "9.1.1",
         "postcss-scss": "^4.0.6",