Replace JS action with plain git clone --bare + push --mirror.
No Node.js required → runs directly on the Pi host without a container.
Also upgrades from single-branch push to a full mirror of all refs.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Automatically pushes main and dev to the Codeberg mirror
(codeberg.org/TMoussa/ConformalLabpp) after every push to eulernest.
Requires CODEBERG_TOKEN secret in the eulernest repo settings.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>