The package appears to be shipping two copies of the changelog.
If the second copy is really needed, consider making it a symlink to the canonical place for the relevant changelog.
Both upstream and Debian changelogs are checked with this tag.
The tag is present in Lintian version
That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit ce6249d. For merge requests, please use the latest version in the Lintian check files/duplicates.