Release v22.1.6

22.1.6

• support for Qt < 5.6 was dropped with version 22.1.5, that mainly means there will
  be no repositories anymore for Ubuntu 16.04, Debian 8.0 and some older versions of
  Fedora and openSUSE Linux (for #2373)
  • please use the AppImage version of QOwnNotes
    (64bit only) if you are still on one of those Linux distributions
• added a new editor color schema OLED red by @FireFragment
  (for #2375)
• added more translation (thank you hansa2662, amirkbrpr, chocolatine, marterra,
  bonnjalal, rawfreeamy, noureddin, mguerra)