The tag is present in Lintian version 2.113.26. 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 43a81d7. For merge requests, please use the latest version in the Lintian check debhelper.
The named packaging file is executable.
There is no reason to make the
copyright files executable.
You will also see this tag for a Debhelper-related packaging file that is
marked executable while using a
compat level below 9.