kpipewire - en to sl translation catalogue (3 entries)

en: Failed to create PipeWire context
sl: Kreiranje konteksta PipeWire ni uspelo

en: Failed to connect to PipeWire
sl: Priklop na PipeWire ni uspel

en: Failed to start main PipeWire loop
sl: Zagon glavne zanke PipeWire ni uspel
