Improvements

• Enable avi container format in mpv @jarnedemeulemeester
• Many dependencies updated @jarnedemeulemeester
  • gradle 7.0.2 -> 7.2
  • gradle plugin 7.0.4 -> 7.1.0
  • build tools 31.0.0 -> 32.0.0
  • material 1.4.0 -> 1.5.0
  • navigation 2.3.5 -> 2.4.0
  • room 2.4.0 -> 2.4.1

Fixes

• Add missing check for if user is allowed to download in episode sheet @jarnedemeulemeester