Move logger traits out of detail namespace into logger_traits.hpp #71

Job	Run time
msvc-14.3 win32 std=c++20	13m 18s
msvc-14.3 win64 std=c++20	13m 55s
g++-9 std=c++17 ubuntu:22.04	4m 43s
g++-10 std=c++17 ubuntu:22.04	5m 2s
g++-12 std=c++17 ubuntu:22.04	5m 17s
g++-13 std=c++20 ubuntu:24.04	7m 37s
g++-14 -fsanitize=address,undefined std=c++20 ubuntu:24.04	10m 40s
clang++-12 std=c++17 ubuntu:22.04	6m 46s
clang++-13 std=c++17 ubuntu:22.04	6m 29s
clang++-14-libc++-14 std=c++17 ubuntu:22.04	5m 42s
clang++-15 std=c++17 ubuntu:22.04	5m 47s
clang++-16 std=c++17 ubuntu:24.04	6m 19s
clang++-17 std=c++20 ubuntu:24.04	8m 47s
clang++-18 -fsanitize=address,undefined std=c++20 ubuntu:24.04	7m 40s
	1h 48m 2s

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