Lintian tag information: obsolete-field-in-dep5-copyright (type: warning)

Description (from lintian-explain-tags)

The machine-readable copyright file uses a field, that used to be defined
by the specification, but has been renamed since then.

Please use Format instead of Format-Specification.

Please use Upstream-Contact instead of Contact, Maintainer or
Upstream-Maintainer.

Please use Upstream-Name instead of Name.

Please refer to
https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ for
details.

Visibility: warning
Show-Always: no
Check: debian/copyright/dep5

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