Skip build jobs for scheduled pipeline
What does this MR do and why?
Small fix so that all the build jobs are not triggered with scheduled chrome caching pipeline - https://gitlab.com/gitlab-org/gitlab-build-images/-/pipelines/652956133
Small fix so that all the build jobs are not triggered with scheduled chrome caching pipeline - https://gitlab.com/gitlab-org/gitlab-build-images/-/pipelines/652956133