Kathará v3.7.3

[tcaiazzi]

• New CLI UI using rich library! (#269)
• (Docker) Show progress during Docker image pull (#267)
  • Similarly to the official docker pull command
• (Docker) It is now correctly possible to specify a linux/amd64 image on Apple Silicon (#268)
  • They can be run using Rosetta
• Add gnome-terminal as official supported terminal emulator (#264)
• Several API improvements and bug fixes (#271)