- Replaces `.gitlab-ci.yml` with a GitHub Actions workflow. - Uses Ubuntu 29.1 Emacs container for consistent builds. - Installs and verifies dependencies (forge and llm). - Byte-compiles the package and uploads the `.elc` file. - Includes linting with `package-lint`. - Sets `TERM` and `DEBIAN_FRONTEND` environment variables. - Uses GitHub Actions artifacts to store the compiled file.