[VFX Reference Update] Updating multiple third party libraries and dependencies:

- Python to 3.11.8
- OpenSubdiv to 3.6.0
- OpenUSD to 24.03
- Boost to 1.82

PythonFoundationPackages has been converted to pip-installer version, and dependencies updated against Python update

#Jira UE-210678
#rb mark.winter matt.johnson brooke.hubert

[CL 32683637 by brooke hubert in ue5-main branch]

Engine/Source/ThirdParty/Python3/Win64/include/codecs.h

@@ -27,6 +27,14 @@ PyAPI_FUNC(int) PyCodec_Register(
        PyObject *search_function
        );
 
+/* Unregister a codec search function and clear the registry's cache.
+   If the search function is not registered, do nothing.
+   Return 0 on success. Raise an exception and return -1 on error. */
+
+PyAPI_FUNC(int) PyCodec_Unregister(
+       PyObject *search_function
+       );
+
 /* Codec registry lookup API.
 
    Looks up the given encoding and returns a CodecInfo object with