Color management: Shrink Filmic LUT size down without noticeable difference

This PR shrinks the Filmic LUT's size down without causing noticeable
difference, making the overall LUT package size smaller. There should be no
functional change on the user end.

Pull Request: https://projects.blender.org/blender/blender/pulls/111380

release/datafiles/colormanagement/config.ocio

@@ -265,7 +265,7 @@ colorspaces:
       children:
         - !<ColorSpaceTransform> {src: Linear CIE-XYZ E, dst: Linear Rec.709}
         - !<AllocationTransform> {allocation: lg2, vars: [-12.473931188, 12.526068812]}
-        - !<FileTransform> {src: filmic_desat65cube.spi3d, interpolation: tetrahedral}
+        - !<FileTransform> {src: filmic_desat_33.cube, interpolation: tetrahedral}
         - !<AllocationTransform> {allocation: uniform, vars: [0, 0.66]}
     to_scene_reference: !<GroupTransform>
       children: