sameboy: Update to 0.13.3

Version 0.13.3

  This version is backwards compatible with save states from SameBoy 0.11.x
  and newer.

  New/Improved Features

    * The scaling filters were updated to use gamma-corrected color mixing,
      improving the quality of all shaders, especially the LCD and CRT
      shaders.

  Bug Fixes

    * Fixed a regression in the CGB and AGB boot ROMs where wrong palettes
      were chosen for Nintendo DMG games.

(nia)