[glslang] update to 13.1.1, opt feature [shaderc] update to 2023.7 #35219
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./vcpkg x-add-version --all
and committing the result.Update glslang to 13.1.1. Upstream changed the behaviour of the
ENABLE_OPT
option to require spirv-tools more explicitly, see https://github.com/KhronosGroup/glslang/blob/13.1.1/CMakeLists.txt#L268-L283.Previously it was just used when found, otherwise not. Therefore, add an
opt
feature depending on thespirv-tools
port.In addition, there is a problem setting correct include dirs with external spirv-tools, a patch for this is merged upstream to latest main, but added as patch here for backporting to 13.1.1.