The VCS-* field uses a URI which doesn't match the recommended format, but still looks valid. Examples for not recommended URI formats are protocols that require authentication (like SSH). Instead where possible you should provide a URI that is accessible for everyone without authentication.
This renders debcheckout(1) unusable in these cases.
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 d219a5a. For merge requests, please use the latest version in the Lintian check fields/vcs.