0.9.7

Biswajit Thakur:
      fix doc: disappear `#` from hidden line

Khalid Abu Shawarib:
      gtk: Change disable_portals() assertion to non-initialized

Oscar Pernia:
      gtk: Use a 'static lifetime in EventController::set_static_name

Sebastian Dröge:
      Update Cargo.lock
      Update versions to 0.9.7

William Ashton:
      Adjust install of `ashpd` to avoid `tokio`