Man pages matching name dist::zilla::plugin::requiresexternal in section 3pm:

Dist::Zilla::Plugin::RequiresExternal.3pm.en	debian 10 / libdist-zilla-plugin-requiresexternal-perl
Dist::Zilla::Plugin::RequiresExternal.3pm.en	debian 11 / libdist-zilla-plugin-requiresexternal-perl
Dist::Zilla::Plugin::RequiresExternal.3pm.en	debian 12 / libdist-zilla-plugin-requiresexternal-perl