Microsoft DX Compiler release for July 2022. Contains shader model 6.7

[StefanG3D]

DX Compiler release for July 2022. Contains shader model 6.7 and many bug fixes and improvements, such as:

• Features: Shader Model 6.7 includes support for Raw Gather, Programmable Offsets, QuadAny/QuadAll, WaveOpsIncludeHelperLanes, and more!
• Platforms: ARM64 support
• HLSL 2021 : Enable "using" keyword
• Optimizations: Loop unrolling and dead code elimination improvements
• Developer tools: Improved disassembly output

The package includes dxc.exe, dxcompiler.dll, corresponding lib and headers, and dxil.dll for x64 and, for the first time, arm64 platforms!
The new DirectX 12 Agility SDK and a hardware driver with appropriate support are required to run shader model 6.7 shaders.
The SPIR-V backend of the compiler has been enabled in this release. Please note that Microsoft does not perform testing/verification of the SPIR-V backend.