cicd: fixed filename

.gitlab-ci.yml

@@ -8,7 +8,7 @@ deploy_staging:
   environment: staging
   script:
     - npm install
-    - echo $APP_CONFIG
+    - echo $APP_CONFIG > config.json
     - npm run build
     - echo $SSH_PRIVATE_KEY > gitlab.key
     - scp -i gitlab.key -r build/* test-paris@ssh-test-paris.happy-dev.fr:~/staging/www/