message: chore(publish): try to ensure dependencies are installed for publishing
  failed in a way that implies that `yarn install` isn't run before the deploy.
diff: @@ -25,12 +25,17 @@ node_js:
  deploy:
  # Publish to NPM.
  - provider: script
  - script: semantic-release pre && yarn build && npm publish && semantic-release post
  + script:
  + - yarn install
  + - yarn global add semantic-release
  + - semantic-release pre && yarn build && npm publish && semantic-release post
  on:
  branch: master
  # Update the website.
  - provider: script
  - script: yarn update-website
  + script:
  + - yarn install
  + - yarn update-website
  on:
  branch: master
  