Switch the obsoleted routes to the integrations to the new routes.

examples/edge-functions/supabase/functions/postgres-on-the-edge/README.md

@@ -7,7 +7,7 @@ You can add a global cache to your database for fast access to your data, global
 ## Setup
 1. Rename `.env.example` to `.env`
 2. Insert Supabase database connection string for `DATABASE_URL` in `.env` file
-3. (Optional) Create PolyScale cache - see [instructions](https://supabase.com/docs/guides/integrations/polyscale) for adding a PolyScale cache.
+3. (Optional) Create PolyScale cache - see [instructions](https://supabase.com/partners/integrations/polyscale) for adding a PolyScale cache.
 4. Replace `DATABASE_URL` with PolyScale connection string.
 
 ## Deploy