[XPTIFW] Suppress deprecation warnings from parallel-hashmap on macOS (#22600)
parallel-hashmap uses std::allocator::pointer which is deprecated in
C++17+ and causes build failures on macOS when -Werror is enabled.
With this fix we can undo the workaround in the Mac build CI.
Co-authored-by: Jinsong Ji <jinsong.ji@intel.com>
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>