Lintian tag information: no-strong-digests-in-dsc (type: error)

Description (from lintian-explain-tags)

This .dsc file contains no Checksum-Sha256 field and hence only weak
digests.

This tag should show up only for source packages built with dpkg-source
older than version 1.14.17 (from March 2008). It will probably not show up
when you run Lintian locally but may be seen on
https://lintian.debian.org/ for legacy source packages in the archive.

This tags can be fixed by rebuilding the source package with a more recent
version of dpkg-source, i.e. by making a new upload.

Visibility: error
Show-Always: no
Check: fields/checksums

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