forgejo : 1.20.5 : fix image build?

podman-gitea/ci_build-images.sh

@@ -12,6 +12,7 @@ buildfolder=/tmp/gitea-$$
 if ! podman image exists ${gitea_image}:${gitea_version}; then
     mkdir ${buildfolder} &&
     if git clone -b v${gitea_version} --depth=1 https://codeberg.org/forgejo/forgejo/ ${buildfolder} ; then
+	sed_in_place "tonistiigi/xx" "docker.io/tonistiigi/xx" ${buildfolder}/Dockerfile
 	TMPDIR=${HOME} podman image build \
 	               --label org.opencontainers.image.version="${gitea_version}" \
 		       -t ${gitea_image}:${gitea_version} \