Update Xcode versions for apple-clang builds #1876

Job	Run time
Generate build matrix for CMake Test Package CI	3s
Apple Clang 15.2 C++20 fmtlib gsl-lite Debug	58s
Apple Clang 15.2 C++20 fmtlib none Release	1m 11s
Apple Clang 16.1 C++20 fmtlib gsl-lite Debug	32s
Apple Clang 16.1 C++23 fmtlib ms-gsl Debug	50s
Clang-16 (x86-64) C++20 fmtlib gsl-lite Debug	1m 4s
Clang-16 (x86-64) C++20 fmtlib none Release	1m 11s
Clang-17 (x86-64) C++20 fmtlib none Debug	1m 30s
Clang-17 (x86-64) C++20 std::format gsl-lite Debug	1m 26s
Clang-18 (arm64) C++20 std::format gsl-lite Debug	1m 6s
Clang-18 (arm64) C++23 fmtlib none Release	1m 38s
Clang-18 (x86-64) C++20 std::format gsl-lite Debug	1m 18s
Clang-18 (x86-64) C++23 std::format none Debug	1m 17s
GCC-12 C++20 fmtlib gsl-lite Debug	47s
GCC-12 C++23 fmtlib none Debug	56s
GCC-13 C++20 fmtlib ms-gsl Release	43s
GCC-13 C++20 std::format gsl-lite Debug	36s
GCC-13 C++20 std::format none Release	40s
GCC-14 C++20 fmtlib none Release	33s
GCC-14 C++20 std::format gsl-lite Debug	33s
MSVC 14.4 C++20 fmtlib ms-gsl Release	2m 20s
MSVC 14.4 C++20 std::format gsl-lite Debug	2m 26s
	23m 38s

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