You can configure a system to make use of this repository, thus: 
$ sudo tee /etc/apt/sources.list.d/salsa-go-team-packages-conmon-8314143.sources >/dev/null <<EOF
Types: deb
URIs: https://salsa.debian.org/go-team/packages/conmon/-/jobs/8314143/artifacts/raw/aptly
Suites: unstable
Components: main
Signed-By:
 -----BEGIN PGP PUBLIC KEY BLOCK-----
 .
 mQENBGjMoOgBCADqB/Fi8gG/BW2vz33RnZ8kt0F56sjpr8Eu9NkTn1a09Q10dpmc
 Afx3ZuLcYhzW3YTUBs/oAj3ntspVcFxoZ2+nldm4LW24COD9BagiVmDzNpMXqYVg
 nWfY7YRH7gFj4b8eYkN97jQE2MUEEqdS+fxqQGvuPdmXmjN081ibwYLAFlYYbNxX
 mo+m2nIGcJK8IKoLHXftyUU9m75q4jyKglePLdiQgBNHDHmijQXLPQ8fdBKxnaGE
 AFi10hurHwSp0iMje8J20iBstcfWrFAuoNMAWqC/BwrdbwlPSu7qniGd/eSHrVed
 e2AL6fUV5w99GVUUPsuyYxGPHpGk6omnS9VNABEBAAG0KlNhbHNhIFBpcGVsaW5l
 IDxzYWxzYS1waXBlbGluZUBkZWJpYW4ub3JnPokBTwQTAQoAORYhBBu83MeZvoUU
 OUqn76u7XRh+AAT3BQJozKDoAxsvBAULCQgHAgYVCgkICwIEFgIDAQIeAQIXgAAK
 CRCru10YfgAE9xMfB/wOg0rAAOJ6+raz4MW4oWGCSeYGJTjZ4/qRGRYONT+RHzVK
 e8/65Otn2zJ+HOSbOAvYHcbjR14WpargyzLHghPrFiTFIeTmxODZ+LNm0zcTVgbY
 DXBGqBSvdya7ucwUT8avKw/sW2A45jNhRQMqF5XIKt9qRUXZsUF+pPqqTX515dY2
 kv6uKTKp/oAVlHgJF7VWg0u/hVrKCP83P++zEgBP02WqMMM8R0Vg4efyMqv+TeAb
 JxWFyvnE17hZFo7sfV34Mtmwo+aqJp5UeKL+hup8abCgGkCRjgjhR+C/EZxcNO+V
 I00ErMYDLlNBjRx8VKJrreJ3OBI6gqOZAMNF5o1r
 =UFVV
 -----END PGP PUBLIC KEY BLOCK-----
EOF

Alternatively, using the old one-line format, thus: 
$ wget -O - https://salsa.debian.org/go-team/packages/conmon/-/jobs/8314143/artifacts/raw/aptly/public-key.asc | sudo tee /etc/apt/keyrings/salsa-go-team-packages-conmon-8314143.asc >/dev/null
$ sudo tee /etc/apt/sources.list.d/salsa-go-team-packages-conmon-8314143.list >/dev/null <<EOF
deb [signed-by=/etc/apt/keyrings/salsa-go-team-packages-conmon-8314143.asc] https://salsa.debian.org/go-team/packages/conmon/-/jobs/8314143/artifacts/raw/aptly unstable main
# deb-src [signed-by=/etc/apt/keyrings/salsa-go-team-packages-conmon-8314143.asc] https://salsa.debian.org/go-team/packages/conmon/-/jobs/8314143/artifacts/raw/aptly unstable main
EOF

Browse all files