Man pages matching name validate::yubikey in section 3pm:

Validate::Yubikey.3pm.en	debian 10 / libvalidate-yubikey-perl
Validate::Yubikey.3pm.en	debian 11 / libvalidate-yubikey-perl
Validate::Yubikey.3pm.en	debian 12 / libvalidate-yubikey-perl