Pass GOVUK_CI_GITHUB_TOKEN to deploy workflow
Pass GOVUK_CI_GITHUB_TOKEN to deploy workflow

The deploy workflow now requires the GOVUK_CI_GITHUB_TOKEN to make the API call
to check if the actor has the correct permissions to trigger a deployment.

alphagov/manuals-frontend,alphagov/manuals-frontend,alphagov/manuals-frontend,alphagov/manuals-frontend