media-sound/morituri: fix PATH_PYTHON and QA

see https://github.com/thomasvs/morituri/pull/78

Package-Manager: portage-2.2.8-r1
www-plugins/firefox-gnome-keyring: version bump

Package-Manager: portage-2.2.8-r1
www-plugins/thunderbird-gnome-keyring: version bump

Package-Manager: portage-2.2.8-r1