Changes

• Fix copying a string out-of-bounds in RMG-Core
• Fix memory leak in GLideN64 (see gonetz/GLideN64#2792)
• Add experimental support for wayland on linux (you can enable it by setting RMG_WAYLAND to 1)
• Add RMG, mupen64plus and n64 keywords to the desktop file (thank you @loganmc10)
• Add joystick hat support to RMG-Input
• Add native vulkan support (video plugins can now use vulkan natively without having to use OpenGL for presentation, see mupen64plus/mupen64plus-core#1022)
• Add current render mode to the status bar (OpenGL or Vulkan)
• Add information regarding the On-Screen display to the OSD tab of the settings dialog (the OSD will only work with OpenGL video plugins)
• Improve build process by building with LTO and stripping release binaries
• Update mupen64plus-video-parallel