Update dependency cssnano to v7

Author: renovate[bot]

apps/web/package.json

@@ -84,7 +84,7 @@
     "@types/jsonwebtoken": "9.0.6",
     "@types/react": "18.3.3",
     "@types/react-dom": "18.3.0",
-    "cssnano": "6.1.2",
+    "cssnano": "7.0.5",
     "dotenv-cli": "7.4.2",
     "postcss": "8.4.39",
     "remix-flat-routes": "0.6.5",