Merge pull request #14447 from supabase/qiao/mig-docs

apps/docs/pages/guides/platform/migrating-and-upgrading-projects.mdx

@@ -49,7 +49,6 @@ In your new project:
 
 1. Enable [Database Webhooks](https://app.supabase.com/project/_/database/hooks) if you enabled them in your old project.
 2. Enable any [extensions](https://app.supabase.com/project/_/database/extensions) that were enabled in your old project.
-3. Create any [custom roles](https://app.supabase.com/project/_/database/roles) that were created in your old project.
 
 Then run the following command from your terminal:
 
@@ -57,11 +56,14 @@ Then run the following command from your terminal:
 psql \
   --single-transaction \
   --variable ON_ERROR_STOP=1 \
+  --file roles.sql \
   --file schema.sql \
   --file data.sql \
   --dbname "$NEW_DB_URL"
 ```
 
+Note if you have created any [custom roles](https://app.supabase.com/project/_/database/roles) with `login` attribute, you have to manually set their passwords in the new project.
+
 ### Enable publication on tables
 
 Replication for Realtime is disabled for all tables in your new project. On the [Replication](https://app.supabase.com/project/_/database/replication) page in the Dashboard, select your new project and enable replication for tables that were enabled in your old project.