[DO NOT MERGE] MoltenVK: Update to latest master

[OatmealDome]

Making builds for testing a potential performance regression fix in MoltenVK. (see #9981)

[dvessel]

Quick test running the Sand Ocean example listed here:

1x resolution: master 5.0-17182
1/1 metal.......................7.462ms
1/1 vulkan.....................................12.438ms

1x resolution: mvk-descriptor-fix-test 5.0-17175
1/1 metal......................7.289ms
1/1 vulkan.............................9.810ms

4x resolution: master 5.0-17182
1/1 metal..........................8.729ms
1/1 vulkan.........................................13.950ms

4x resolution: mvk-descriptor-fix-test 5.0-17175
1/1 metal..........................8.661ms
1/1 vulkan....................................12.206ms

[dvessel]

More relevant, TTYD boat filp.zip. Nice improvement!

1x resolution: master 5.0-17182
1/1 metal..11.060ms
1/1 vulkan..19.101ms

1x resolution: mvk-descriptor-fix-test 5.0-17175
1/1 metal..10.786ms
1/1 vulkan..10.491ms

4x resolution: master 5.0-17182
1/1 metal..11.196ms
1/1 vulkan..18.496ms

4x resolution: mvk-descriptor-fix-test 5.0-17175
1/1 metal..11.053ms
1/1 vulkan..12.147ms