Update pre-built binary links (#2267)

This changelist updates the pre-built binary links on the front page, bringing them up to date with the latest supported compilers and Python versions.

Author: jstone-lucasfilm

README.md

@@ -72,9 +72,9 @@ The Open Chess Set is an open reference asset, consisting of a [MaterialX file](
 
 The following packages contain pre-built binaries for the latest release, including the MaterialX viewer, Python libraries, and example assets:
 
-- [Microsoft Windows (Visual Studio 2022, Python 3.12)](https://github.com/AcademySoftwareFoundation/MaterialX/releases/latest/download/MaterialX_Windows_VS2022_x64_Python312.zip)
-- [MacOS (Xcode 15, Python 3.12)](https://github.com/AcademySoftwareFoundation/MaterialX/releases/latest/download/MaterialX_MacOS_Xcode_15_Python312.zip)
-- [Linux (GCC 14, Python 3.12)](https://github.com/AcademySoftwareFoundation/MaterialX/releases/latest/download/MaterialX_Linux_GCC_14_Python312.zip)
+- [Microsoft Windows (Visual Studio 2022, Python 3.13)](https://github.com/AcademySoftwareFoundation/MaterialX/releases/latest/download/MaterialX_Windows_VS2022_x64_Python313.zip)
+- [MacOS (Xcode 16, Python 3.13)](https://github.com/AcademySoftwareFoundation/MaterialX/releases/latest/download/MaterialX_MacOS_Xcode_16_Python313.zip)
+- [Linux (GCC 14, Python 3.13)](https://github.com/AcademySoftwareFoundation/MaterialX/releases/latest/download/MaterialX_Linux_GCC_14_Python313.zip)
 
 ## Additional Resources