abd879ab66
The Gitea Actions workflow used ${{ github.sha }} which is GitHub Actions
syntax. In Gitea Actions the correct context variable is ${{ gitea.sha }}.
This caused the image tag SHA component to be empty.
Closes leeworks-agents/gitea-mobile#20
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>