Merge branch 'master' into feature/constexpr-for-string_view
# Conflicts:
# include/etl/array.h
# include/etl/deque.h
# include/etl/forward_list.h
# include/etl/generators/type_traits_generator.h
# include/etl/list.h
# include/etl/platform.h
# include/etl/vector.h
# meson.build
# test/test_array.cpp
# test/test_deque.cpp
# test/test_flat_map.cpp
# test/test_flat_multimap.cpp
# test/test_flat_multiset.cpp
# test/test_flat_set.cpp
# test/test_forward_list.cpp
# test/test_list.cpp
# test/test_map.cpp
# test/test_multimap.cpp
# test/test_multiset.cpp
# test/test_set.cpp
# test/vs2019/etl.vcxproj.filters
