Add scheduler tests #58

Job	Run time
Preset: gcc-debug on ubuntu-latest	22s
Preset: gcc-release on ubuntu-latest	16s
Compiler: GNU 14	42s
Preset: appleclang-debug on macos-latest	25s
Compiler: GNU 13	31s
Preset: appleclang-release on macos-latest	25s
Compiler: LLVM 20	1m 9s
Preset: msvc-debug on windows-latest	49s
Compiler: LLVM 19	1m 8s
Preset: msvc-release on windows-latest	45s
Compiler: LLVM 18	1m 10s
CMake: Disable build testing	50s
CMake: Disable example building	26s
Unit: Ubuntu GNU 20 Default	45s
Unit: Ubuntu GNU 20 TSan	30s
Unit: Ubuntu GNU 20 MaxSan	1m 11s
Unit: Ubuntu GNU 23 Default	46s
Unit: Ubuntu GNU 23 TSan	26s
Unit: Ubuntu GNU 23 MaxSan	1m 13s
Unit: Ubuntu GNU 26 Default	57s
Unit: Ubuntu GNU 26 TSan	27s
Unit: Ubuntu GNU 26 MaxSan	1m 14s
Unit: Ubuntu LLVM 20 Default	1m 32s
Unit: Ubuntu LLVM 20 MaxSan	1m 49s
Unit: Ubuntu LLVM 23 Default	1m 37s
Unit: Ubuntu LLVM 23 MaxSan	1m 45s
Unit: Ubuntu LLVM 26 Default	1m 41s
Unit: Ubuntu LLVM 26 MaxSan	1m 47s
Unit: Windows MSVC 20 Default	1m 46s
Unit: Windows MSVC 20 MaxSan	2m 0s
Unit: Windows MSVC 23 Default	1m 49s
Unit: Windows MSVC 23 MaxSan	1m 53s
Unit: Windows MSVC 26 Default	2m 14s
Unit: Windows MSVC 26 MaxSan	1m 43s
Unit: Ubuntu GCC 23 Werror	50s
Unit: Ubuntu GCC 23 Dynamic	49s
create-issue-when-fault	0s
	39m 42s

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