Fix db push by running supabase link from correct directory

supabase db push doesn't support --project-ref, it relies on link.
Run link from apps/supabase so the config is in the right place.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.github/workflows/deploy-supabase.yml

@@ -28,8 +28,12 @@ jobs:
         with:
           version: latest
 
+      - name: Link to Production Project
+        run: supabase link --project-ref $SUPABASE_PROJECT_REF
+        working-directory: apps/supabase
+
       - name: Apply Database Migrations
-        run: supabase db push --project-ref $SUPABASE_PROJECT_REF
+        run: supabase db push
         working-directory: apps/supabase
 
       - name: Sync Edge Function Secrets