Bump postcss from 8.4.47 to 8.4.48

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](https://github.com/postcss/postcss/compare/8.4.47...8.4.48)

---
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

@@ -70,7 +70,7 @@
     "eslint": "^9.14.0",
     "eslint-config-next": "15.0.3",
     "eslint-config-prettier": "^9.1.0",
-    "postcss": "^8.4.47",
+    "postcss": "^8.4.48",
     "prettier": "^3.3.3",
     "prettier-plugin-tailwindcss": "^0.6.8",
     "prisma": "^5.22.0",