Merge pull request KhronosGroup#1647 from dneto0/update-known-good

Update SPIRV-Tools known good: relax Uconvert check

Bump revision.

Merge pull request KhronosGroup#1523 from sparmarNV/fix-SPV_NV_mesh_s…

…hader

Allow redeclaration of builtin interface blocks in mesh shader

Bump revision.

7.8.2853 stable release

Create stable version 7.8.2850 for release.

Merge pull request KhronosGroup#1446 from KhronosGroup/spv-link

Link/SPV: Correct symbol IDs on merging ASTs to a single coherent space

Merge pull request KhronosGroup#1381 from LoopDawg/coverage_array

HLSL: require coverage mask to be arrayed output.

First candidate stable version of Vulkan 1.1.

Last stable 5.1.* version.