Inside the improved CI logs management experience for multi-line commands

Introduces a new feature FF_SCRIPT_SECTIONS to enable collapsible log output for multi-line commands in GitLab CI jobs. This improves the debugging experience by grouping related log lines. The post details how to enable the feature flag, demonstrates its effect on Bash shell jobs, and contrasts it with the previous behavior. It also mentions that Powershell support is planned for a future release and discusses the potential for custom collapsible sections.