[libc++] Implement P0154R1 (Hardware inference size)

`__GCC_CONSTRUCTIVE_SIZE` and `__GCC_DESTRUCTIVE_SIZE` are available since GCC 12. I'm assuming clang will also implement these for compatability with libstdc++.

Reviewed By: ldionne, #libc

Spies: h-vetinari, libcxx-commits, arichardson

Differential Revision: https://reviews.llvm.org/D122276

NOKEYCHECK=True
GitOrigin-RevId: 56a33ba3dd2bfd411e77946871814e98d92ec2fa
diff --git a/docs/FeatureTestMacroTable.rst b/docs/FeatureTestMacroTable.rst
index 020ef2a..f615b40 100644
--- a/docs/FeatureTestMacroTable.rst
+++ b/docs/FeatureTestMacroTable.rst
@@ -100,7 +100,7 @@
     ------------------------------------------------- -----------------
     ``__cpp_lib_gcd_lcm``                             ``201606L``
     ------------------------------------------------- -----------------
-    ``__cpp_lib_hardware_interference_size``          *unimplemented*
+    ``__cpp_lib_hardware_interference_size``          ``201703L``
     ------------------------------------------------- -----------------
     ``__cpp_lib_has_unique_object_representations``   ``201606L``
     ------------------------------------------------- -----------------