manimpango: add pkg-config dependency to makedeps
manimpango: add pkg-config dependency to makedeps

It was removed from the CI by default so it
needs to be added explicitly.

oscarfv/MINGW-packages,JPeterMugaas/MINGW-packages,JPeterMugaas/MINGW-packages,fabiangreffrath/MINGW-packages,fabiangreffrath/MINGW-packages,Alexpux/MINGW-packages,Alexpux/MINGW-packages,oscarfv/MINGW-packages,oroppas/MINGW-packages,oscarfv/MINGW-packages,JPeterMugaas/MINGW-packages,oroppas/MINGW-packages,oscarfv/MINGW-packages,lhmouse/MINGW-packages,stahta01/MINGW-packages,fabiangreffrath/MINGW-packages,Alexpux/MINGW-packages,JPeterMugaas/MINGW-packages,JPeterMugaas/MINGW-packages,fabiangreffrath/MINGW-packages,stahta01/MINGW-packages,lhmouse/MINGW-packages,oscarfv/MINGW-packages,stahta01/MINGW-packages,oroppas/MINGW-packages,lhmouse/MINGW-packages,oroppas/MINGW-packages,oroppas/MINGW-packages,lhmouse/MINGW-packages,oroppas/MINGW-packages,oscarfv/MINGW-packages,stahta01/MINGW-packages,Alexpux/MINGW-packages,lhmouse/MINGW-packages,stahta01/MINGW-packages,Alexpux/MINGW-packages,Alexpux/MINGW-packages,fabiangreffrath/MINGW-packages,JPeterMugaas/MINGW-packages,stahta01/MINGW-packages,fabiangreffrath/MINGW-packages,lhmouse/MINGW-packages