forked from LiamAEdwards/SS14-Docker-Linux-Server
Downgrade actions/checkout from v4 to v3 to resolve MODULE_NOT_FOUND errors in gitea-runner's act environment. The v4 action has known compatibility issues with act's caching mechanism. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>