Use `goreleaser` and `ko` to automatically build and publish container images in the release workflow. The images are published to `ghcr.io/apricote/hcloud-upload-image`. Co-authored-by: Ilja Malachowski <malahovskiy.in@gmail.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>