chore(deps): update dependency netlify-cli to v21

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
     "@types/react-dom": "^19.0.4",
     "@vitejs/plugin-react": "^4.3.4",
     "autoprefixer": "^10.4.20",
-    "netlify-cli": "^19.1.7",
+    "netlify-cli": "^21.5.0",
     "tailwindcss": "^3.4.3",
     "typescript": "^5.8.2",
     "vite": "^6.2.5"