Upgrade apollo CLI

.travis.yml

@@ -2,10 +2,10 @@ language: node_js
 node_js: 10
 cache: npm
 before_script: node -r esm index.js &
-after_success: npx apollo schema:check
+after_success: npx apollo service:check
 deploy:
   provider: script
-  script: npx apollo schema:publish
+  script: npx apollo service:push
   skip_cleanup: true
   on:
     branch: master