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 a1e47cb. For merge requests, please use the latest version in the Lintian check team/pkg-perl/testsuite.
Source packages maintained by pkg-perl should declare a 'Testsuite: autopkgtest-pkg-perl' header instead of 'Testsuite: autopkgtest' and avoid duplicating the standard test control file in all the packages.