Add missing `#include <new>`

Reference issue

n/a, this build issue was found in an internal build

What does this implement/fix?

This header uses std::hardware_destructive_interference_size (albeit in a macro and behind an ifdef) but does not #include <new>

Additional information

This is needed due to https://github.com/llvm/llvm-project/commit/59890c13343af9e308281b3c76bac425087f4f8a