message: fallback from node 10 to 9.11.1
diff: language: node_js
  -node_js: node
  +node_js: "9.11.1"
  install: npm install
  before_script: npm run publish-beta && VERSION=$(node -p -e "require('./package.json').version + '.' + process.env.TRAVIS_BUILD_NUMBER") && npx sentry-cli releases new "$VERSION" --finalize && npx sentry-cli releases set-commits "$VERSION" --auto
  sudo: false
  