Update generate-types.yml

.github/workflows/generate-types.yml

@@ -5,6 +5,8 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    env:
+      PROJECT_ID: ${{ secrets.PROJECT_REF }}
     steps:
       - uses: supabase/setup-cli@v1
         with:
@@ -13,7 +15,7 @@ jobs:
       - run: supabase db start
       - name: Verify generated types match Postgres schema
         run: |
-          supabase gen types typescript --project-id ${{ secrets.PROJECT_REF }} --schema public > database.types.ts
+          supabase gen types typescript --project-id $PROJECT_ID --schema public > database.types.ts
           if ! git diff --ignore-space-at-eol --exit-code --quiet database.types.ts; then
             echo "Detected uncommitted changes after build. See status below:"
             git diff