chore(deps-dev): bump postcss from 8.4.41 to 8.4.47

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.41 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@8.4.41...8.4.47)

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

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

package.json

@@ -30,7 +30,7 @@
     "husky": "^9.1.5",
     "lint-staged": "^15.2.9",
     "mdast-util-to-string": "^4.0.0",
-    "postcss": "^8.4.41",
+    "postcss": "^8.4.47",
     "prettier": "^3.3.3",
     "prettier-plugin-astro": "^0.14.1",
     "prettier-plugin-svelte": "^3.2.6",