build: Add `fedora-coreos.stream` to image labels
From discussion in
related to
@@ -435,6 +435,7 @@ else
--label="coreos-assembler.image-input-checksum=${image_input_checksum}" \
--label="org.opencontainers.image.source=${gitsrc}" \
--label="org.opencontainers.image.revision=${config_gitrev}" \
+ --copymeta-opt=fedora-coreos.stream \
"${labels[@]}" \
"${buildid}" \
oci-archive:"${ostree_tarfile_path}".tmp:latest
