Log Message:
cmake: updated to 3.20.4

CMake 3.20.4
* ci: use consistent sccache builds
* VS: Add special case for '-T version=14.29.16.10' under VS 16.10
* VS: Add flag table entries for '/external:W*' flags in VS 16.10
* gitlab-ci: Update Windows builds to MSVC 19.29-16.10 toolset
* Makefiles: Fix CMAKE_EXPORT_COMPILE_COMMANDS crash with custom compile rule
* presets: Fix buildPreset "jobs" field test case
* IRSL: Add Intel oneAPI redist location on Windows
* fileapi: Fix codemodel-v2 link command fragment relative paths
* FindBoost: Add check for json component header in Boost 1.75+
* Help: cmake_path: fix erroneous example for IS_PREFIX
* MSVC: C++20 final flag, C++23 support
* Clang/MSVC: C++20 final flag, C++23 support
* presets: Fix buildPreset "jobs"
* presets: Fix buildPreset "targets" not allowing a single string