message: infra: fail in CI if yarn.lock is not up-to-date
diff: @@ -20,6 +20,9 @@ before_install:
  - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.22.4
  - export PATH=$HOME/.yarn/bin:$PATH
  +install:
  + - yarn --frozen-lockfile
  +
  before_deploy:
  - echo "//registry.npmjs.org/:_authToken=\${NPM_TOKEN}" > ~/.npmrc
  