Fetcher NAR: debian package missing
Fetcher nar fails with
E: Failed to fetch http://deb.debian.org/debian/pool/main/libp/libpng1.6/libpng16-16_1.6.28-1_amd64.deb 404 Not Found
https://git.nomics.world/dbnomics-fetchers/nar-fetcher/-/jobs/140418
Most likely a new version of the package
Note: take advantage of this issue to specify an absolute version of Debian in CI YAML file.
Related to #507 (closed)