Writing GitHub Actions Create GitHub Actions workflows for CI/CD pipelines, automated testing, deployments, and repository automation using YAML-based configuration with native GitHub integration. Purpose GitHub Actions is the native CI/CD platform for GitHub repositories. This skill covers workflow syntax, triggers, job orchestration, reusable patterns, optimization techniques, and security practices specific to GitHub Actions. Core Focus: - Workflow YAML syntax and structure - Reusable workflows and composite actions - Matrix builds and parallel execution - Caching and optimization strategi…