Man pages matching name cgi::application::dispatch::psgi in section 3pm:

CGI::Application::Dispatch::PSGI.3pm.en	debian 10 / libcgi-application-dispatch-perl
CGI::Application::Dispatch::PSGI.3pm.en	debian 11 / libcgi-application-dispatch-perl
CGI::Application::Dispatch::PSGI.3pm.en	debian 12 / libcgi-application-dispatch-perl