chore(deps): update dependency postcss to v8.5.10 [security]

Author: renovate[bot]

package-lock.json

@@ -47,7 +47,7 @@
     "autoprefixer": "10.4.20",
     "eslint": "8.57.1",
     "eslint-config-next": "15.2.0",
-    "postcss": "8.5.3",
+    "postcss": "8.5.10",
     "prisma": "6.4.1",
     "tailwindcss": "3.4.17",
     "typescript": "5.7.3"