chore(npm): bump postcss from 8.4.47 to 8.4.48 in /Website (#709)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.47 to 8.4.48.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.47...8.4.48)

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

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

Website/package.json

@@ -14,7 +14,7 @@
     "eslint": "8.57.0",
     "eslint-config-next": "15.0.2",
     "next": "15.0.3",
-    "postcss": "8.4.47",
+    "postcss": "8.4.48",
     "react": "18.3.1",
     "react-dom": "18.3.1",
     "remark": "^15.0.1",