glslang-16.3.0

[Bruce Dubbs]

New minor version.

[Joe Locash]

## 16.3.0 2026-05-01
### Deprecation Notice
* Deprecate the HLSL front-end. See issue #4210 for details.

### Other changes
* Support GL_NV_explicit_typecast
* Raise the maximum limit for specialization constant IDs
* Add explicit 8-bit and 16-bit type support for bitfieldReverse
* Implement system include directives for the standalone wrapper
* Check for invalid usage of gl_WorkGroupSize components
* HLSL: Provide string error context only if token is a string
* Fix layoutDescriptorStride bitfield truncation for large stride values
* GL_EXT_long_vector with 2-4 components no longer require LongVector capability
* Fix alignment of guard blocks
* Fix ShaderDebugInfo having invalid line numbers when generating SPIRV 1.0
* Replace ostringstream with string concat during #include preprocessing
* Check for bad parameters on long vector type
* HLSL: Check for bad integer argument on Load*, Store*, Interlocked*
* HLSL: handle type error for ternary operator
* HLSL: Ensure scope is popped even when method body fails to parse
* Avoid unneccessary copies in SpirvIntrinsics.cpp
* Unconditionally emit debug source for include files when using non-semantic debug info
* Support bfloat16 and float8 tensors
* Add small type capabilities for GLSL.STD.450
* Add initial support for NonSemantic.Shader.DebugInfo 101
* Fix access chains for GL_ARM_tensors with raw descriptor heap accesses
* Support GL_KHR_compute_shader_derivatives
* Require a quad or linear layout qualifier to be specified for GL_KHR_compute_shader_derivatives
* Supportx SPV_KHR_constant_data and SPV_KHR_abort

Fixed at faafbf7ac6.