build: CMake dependencies handling improved for the freestanding mode #5

Job	Run time
std::format none C++20 Clang-18 Release	49s
std::format none C++20 Clang-18 Debug	57s
std::format none C++23 Clang-18 Release	55s
std::format none C++23 Clang-18 Debug	50s
std::format gsl-lite C++20 Clang-18 Release	1m 3s
std::format gsl-lite C++20 Clang-18 Debug	48s
std::format gsl-lite C++23 Clang-18 Release	48s
std::format gsl-lite C++23 Clang-18 Debug	47s
std::format ms-gsl C++20 Clang-18 Release	45s
std::format ms-gsl C++20 Clang-18 Debug	47s
std::format ms-gsl C++23 Clang-18 Release	48s
std::format ms-gsl C++23 Clang-18 Debug	1m 24s
fmtlib none C++20 Clang-18 Release	51s
fmtlib none C++20 Clang-18 Debug	52s
fmtlib none C++23 Clang-18 Release	48s
fmtlib none C++23 Clang-18 Debug	52s
fmtlib gsl-lite C++20 Clang-18 Release	54s
fmtlib gsl-lite C++20 Clang-18 Debug	1m 9s
fmtlib gsl-lite C++23 Clang-18 Release	51s
fmtlib gsl-lite C++23 Clang-18 Debug	56s
fmtlib ms-gsl C++20 Clang-18 Release	59s
fmtlib ms-gsl C++20 Clang-18 Debug	49s
fmtlib ms-gsl C++23 Clang-18 Release	49s
fmtlib ms-gsl C++23 Clang-18 Debug	46s
	21m 17s

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