test: test_package now is tested also with C++20 modules #1817

Job	Run time
Generate build matrix for CMake Test Package CI	5s
Apple Clang 15 C++20 fmtlib gsl-lite Debug	1m 8s
Apple Clang 15 C++20 fmtlib none Release	57s
Clang-16 (x86-64) C++20 fmtlib gsl-lite Debug	1m 4s
Clang-16 (x86-64) C++20 fmtlib none Release	1m 1s
Clang-17 (x86-64) C++20 fmtlib none Debug	1m 29s
Clang-17 (x86-64) C++20 std::format gsl-lite Debug	2m 6s
Clang-18 (arm64) C++20 std::format gsl-lite Debug	1m 20s
Clang-18 (arm64) C++23 fmtlib none Release	1m 7s
Clang-18 (x86-64) C++20 std::format gsl-lite Debug	1m 23s
Clang-18 (x86-64) C++23 std::format none Debug	1m 22s
GCC-12 C++20 fmtlib gsl-lite Debug	45s
GCC-12 C++20 fmtlib ms-gsl Release	40s
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	50s
GCC-14 C++20 fmtlib none Release	36s
GCC-14 C++20 std::format gsl-lite Debug	46s
MSVC 14.4 C++20 fmtlib gsl-lite Debug	2m 7s
MSVC 14.4 C++20 std::format gsl-lite Debug	1m 33s
	21m 32s

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