test: test_package now is tested also with C++20 modules #1821

Job	Run time
Generate build matrix for CMake Test Package CI	6s
Apple Clang 15 C++20 fmtlib gsl-lite Debug	55s
Apple Clang 15 C++20 fmtlib none Release	1m 3s
Clang-16 (x86-64) C++20 fmtlib gsl-lite Debug	1m 2s
Clang-16 (x86-64) C++20 fmtlib none Release	1m 12s
Clang-17 (x86-64) C++20 fmtlib none Debug	2m 16s
Clang-17 (x86-64) C++20 std::format gsl-lite Debug	1m 22s
Clang-18 (arm64) C++20 std::format gsl-lite Debug	1m 28s
Clang-18 (arm64) C++23 fmtlib none Release	1m 5s
Clang-18 (x86-64) C++20 std::format gsl-lite Debug	1m 23s
Clang-18 (x86-64) C++23 std::format none Debug	1m 21s
GCC-12 C++20 fmtlib gsl-lite Debug	39s
GCC-12 C++20 fmtlib ms-gsl Release	46s
GCC-12 C++23 fmtlib ms-gsl Debug	40s
GCC-13 C++20 std::format gsl-lite Debug	33s
GCC-13 C++20 std::format none Release	32s
GCC-14 C++20 fmtlib none Release	40s
GCC-14 C++20 std::format gsl-lite Debug	41s
MSVC 14.4 C++20 fmtlib gsl-lite Debug	2m 21s
MSVC 14.4 C++20 std::format gsl-lite Debug	1m 34s
	21m 39s

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