gzdoom: update to 4.12, fix installation

[cmitu]

Fixed installation error due to ZMusic changing it's SO version. Upgraded GZDoom to 4.12.2. Changes in 4.12 (full changes at https://github.com/ZDoom/gzdoom/releases)

• 4.12.2

  • network fixes, including prediction and interpolation
  • added emulation of Final Doom's teleporter z glitch and activate it for Saturnia MAP10
  • Reworked clientside lerping
  • fix issues with GCC 14

• 4.12.1

  • Added pistol start gameplay option
  • Restored Windows 7 support

• 4.12

  • set default backend to Vulkan, if Vulkan fails go GLES not OpenGL
  • Update LZMA SDK to 23.01
  • do not print all GL extensions to the log for the GLES renderer.
  • fix map WAD check for savegame validation.
  • Allow setting the colormap from mapinfo (dsda-doom)
  • added per-sector sky UDMF properties.
  • added DSDA's thrust properties for UDMF
  • added rudimentary support for DSDA's COMPLVL lump.
  • allow defining zero gravity through MAPINFO
  • fix GL ES switch appearing as 'Unknown' in the menu sometimes
  • Fixed console rendering crash on wide consoles
  • Added friction and colormap related properties from DSDA.
  • hooked up the per-level colormaps with the hardware renderer.
  • always save the map WAD in a savegame's metadata, even if it is from the IWAD
  • fix UMAPINFO's intermusic being used at the summary screen.

Closed #3935

[joolswills]

Cheers!