pm-4.1.x-dev/modules/pm_persona/pm_persona.links.menu.yml

entity.pm_persona.collection:
  title: 'Persona'
  route_name: entity.pm_persona.collection
  parent: pm.admin.content_items
  description: ''
  weight: -15

entity.pm_persona_type.collection:
  title: 'Persona types'
  parent: pm.admin.content_settings
  route_name: entity.pm_persona_type.collection
  weight: -14