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](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] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -20,7 +20,7 @@
     "next": "15.0.3",
     "next-auth": "4.24.10",
     "pg": "^8.12.0",
-    "postcss": "8.4.47",
+    "postcss": "8.4.48",
     "react": "18.3.1",
     "react-dom": "18.3.1",
     "tailwindcss": "3.4.14",