build(deps-dev): bump postcss from 8.4.45 to 8.4.47 (#713)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.45 to 8.4.47.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.45...8.4.47)

---
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

@@ -37,7 +37,7 @@
     "htmlhint": "^1.1.4",
     "lodash": "^4.17.21",
     "octokit": "^4.0.2",
-    "postcss": "^8.4.45",
+    "postcss": "^8.4.47",
     "prettier": "^3.3.3",
     "prettier-plugin-packagejson": "^2.5.2",
     "prettier-plugin-tailwindcss": "^0.6.6",