Change runs-on to the "Main" label used by Act Runner 1, and make the
toolchain install step work both as root (default in act_runner
containers) and on hosts where sudo is required.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Introduce .gitea/workflows/release.yml driven by workflow_dispatch.
The pipeline runs shellcheck and unit tests, builds a tar.gz + sha256,
generates release notes from git history, and publishes a Gitea Release
via the API. Version defaults to v<YYYY.MM.DD>-<short-sha>.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
