Lintian tag information: debian-changelog-line-too-short (type: pedantic)

Description (from lintian-explain-tags)

The given line of the latest changelog entry appears to contain a very
terse entry.

This can make it hard for others to understand the changelog entry. Please
keep in mind that:

- It is not uncommon that people read changelog entries that are more
than a decade old to understand why a change was made or why a
package works in a specific way.
- Many users will read the changelog via
apt-listchanges(1)
- The information in debian/changelog is permanent.

Examples for entries that are too short include "dh 11" or simply "R³" -
these could be expanded to, for example:

- Switch to debhelper compat 11.
- Set Rules-Requires-Root: no.

Visibility: pedantic
Show-Always: no
Check: debian/changelog

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