fix(deps): update dependency @netlify/functions to v3 (#13261)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/integrations/netlify/package.json

@@ -39,7 +39,7 @@
     "@astrojs/internal-helpers": "workspace:*",
     "@astrojs/underscore-redirects": "workspace:*",
     "@netlify/blobs": "^8.1.0",
-    "@netlify/functions": "^2.8.0",
+    "@netlify/functions": "^3.0.0",
     "@vercel/nft": "^0.29.0",
     "esbuild": "^0.25.0",
     "tinyglobby": "^0.2.12",