Schedule CircleCI job for Cypress

cypress-circleci-nightly-scheduled-job.yml

#https://docs.cypress.io/guides/continuous-integration/circleci#Basic-Setup
version: 2.1
orbs:
  cypress: cypress-io/[email protected]
workflows:
  build:
    jobs:
      - cypress/run:
          #https://circleci.com/docs/2.0/contexts/
          context: keep-password-secret
          yarn: true
  nightly:
    triggers:
      - schedule:
          #https://circleci.com/docs/2.0/workflows/#scheduling-a-workflow
          #https://crontab.guru/#0_0_*_*_*
          cron: "0 0 * * *"
          filters:
            branches:
              only: master
    jobs:
      - cypress/run