If not done so already, please could all users set up 2FA on your accounts at the soonest opportunity https://docs.gitlab.com/ee/user/profile/account/two_factor_authentication.html

Use jobs to automate your tasks

Jobs are the building blocks of a GitLab CI/CD pipeline. Each job has a specific task, like testing code. To set up jobs in a CI/CD pipeline, add a CI/CD configuration file to your project.

Create CI/CD configuration file