The page https://git.gnupg.org/ states:
However, these versions are outdated.
The first link leads to master, which is modern. That's version 2.2.x / next 2.3.0, not 2.1 Relatively harmless, though.
However, the second link leads to STABLE-BRANCH-2-0 The 2.0 branch has been EOLed for 2.5 years. This could be problematic for someone that thought to be receiving a stable version. It should probably point to STABLE-BRANCH-2-2