CI/CD automation: Maximize 'deploy freeze' impact across GitLab groups

This post introduces a new capability for managing deploy freezes at the group level, extending the existing project-level deploy freeze feature. It details a solution involving a Python script and a `.gitlab-ci.yml` file that automates the application of deploy freezes across multiple projects within a GitLab group. The solution leverages the GitLab API, requires a Personal Access Token, and allows for configuration of freeze start/end times and time zones. The post also provides instructions on setting up prerequisites, forking the project, committing changes, and monitoring the pipeline execution.