GitHub Actions Advanced Skill Expert guidance for designing, writing, debugging, and securing production-grade GitHub Actions workflows. --- When to Use This Skill - User mentions GitHub Actions, , CI/CD pipelines, runners, jobs, steps, or actions - User wants to automate builds, tests, deployments, or releases via GitHub - User asks about matrix builds, reusable workflows, composite actions, or self-hosted runners - User needs help with OIDC authentication, caching strategies, or secrets management - User says "my GitHub pipeline is failing" or "set up CI for my repo" - User asks about workf…