fix: update .env file creation to include newline for DOMAIN_NAME

Author: aeltorio

.github/workflows/deploy-cloudflare-worker.yaml

@@ -36,7 +36,8 @@ jobs:
         
         - name: Create .env file
           run: |
-            echo -n ${{ secrets.AUTH0_AUDIENCE }} | sed -n 's/http.:\/\/\(.*\)/DOMAIN_NAME=\1/p' > cloudflare-fake-secured-api/.env
+            echo -n ${{ secrets.AUTH0_AUDIENCE }} | sed -n 's/http.:\/\/\(.*\)/DOMAIN_NAME=\1\n/p' > cloudflare-fake-secured-api/.env
+
             echo "AUTH0_DOMAIN=${{ secrets.AUTH0_DOMAIN }}" >> cloudflare-fake-secured-api/.env
             echo "AUTH0_CLIENT_ID=${{ secrets.AUTH0_CLIENT_ID }}" >> cloudflare-fake-secured-api/.env
             echo "AUTH0_SCOPE=${{ secrets.AUTH0_SCOPE }}" >> cloudflare-fake-secured-api/.env