not secrets maybe env

Author: jennymar

.github/workflows/frontend.yml

@@ -18,7 +18,7 @@ jobs:
           npm run lint-check
           npm run build
         env:
-          NEXT_PUBLIC_BACKEND_URL: ${{ secrets.NEXT_PUBLIC_BACKEND_URL }}
-          NEXT_PUBLIC_FIREBASE_SETTINGS: ${{ secrets.NEXT_PUBLIC_FIREBASE_SETTINGS }}
-          NEXT_PUBLIC_PAYPAL_CLIENT_SECRET: ${{ secrets.NEXT_PUBLIC_PAYPAL_CLIENT_SECRET }}
-          NEXT_PUBLIC_PAYPAL_CLIENT_ID: ${{ secrets.NEXT_PUBLIC_PAYPAL_CLIENT_ID }}
+          NEXT_PUBLIC_BACKEND_URL: ${{ env.NEXT_PUBLIC_BACKEND_URL }}
+          NEXT_PUBLIC_FIREBASE_SETTINGS: ${{ env.NEXT_PUBLIC_FIREBASE_SETTINGS }}
+          NEXT_PUBLIC_PAYPAL_CLIENT_SECRET: ${{ env.NEXT_PUBLIC_PAYPAL_CLIENT_SECRET }}
+          NEXT_PUBLIC_PAYPAL_CLIENT_ID: ${{ env.NEXT_PUBLIC_PAYPAL_CLIENT_ID }}