fix(etl): any failure will interrupt the ETL and have status code = 1; also improved warning messages and redirected to log file

Author: geoffroy-noel-ddh

.github/workflows/frontend.yml

@@ -51,7 +51,7 @@ jobs:
           npx playwright install --with-deps
 
       - name: Run ETL
-        run: npm run etl
+        run: ./etl.sh
 
       - name: Test
         run: npm test