message: Fix typo in flatbuffers::span declaration.
diff: @@ -467,7 +467,7 @@ FLATBUFFERS_CONSTEXPR_CPP11 bool operator==(const Optional<T>& lhs, const Option
  #if defined(FLATBUFFERS_USE_STD_SPAN)
  inline constexpr std::size_t dynamic_extent = std::dynamic_extent;
  template<class T, std::size_t Extent = std::dynamic_extent>
  - using Span = std::span<T, Extent>;
  + using span = std::span<T, Extent>;
  #else // !defined(FLATBUFFERS_USE_STD_SPAN)
  FLATBUFFERS_CONSTEXPR std::size_t dynamic_extent = static_cast<std::size_t>(-1);
  