Man pages matching name yum-config-manager in section 1:

yum-config-manager.1.de	debian 10 / manpages-de
yum-config-manager.1.en	debian 10 / yum-utils
yum-config-manager.1.de	debian 11 / manpages-de
yum-config-manager.1.en	debian 12 / dnf-plugins-core