Update intersphinx python version.

Author: trivialfis

README.rst

@@ -1,5 +1,5 @@
 Python Interface for the Portable Hardware Locality (hwloc) Library
 ===================================================================
 
-- `Document <https://pyhwloc.readthedocs.io/>`__.
+- `Documentation <https://pyhwloc.readthedocs.io/>`__
 - `Official site <https://www.open-mpi.org/projects/hwloc/>`__ of the hwloc library.

docs/source/conf.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2025, NVIDIA CORPORATION.
+# SPDX-License-Identifier: BSD-3-Clause
+
 # Configuration file for the Sphinx documentation builder.
 #
 # For the full list of built-in configuration values, see the documentation:
@@ -39,7 +42,7 @@
 html_theme = "alabaster"
 html_static_path = ["_static"]
 
-intersphinx_mapping = {"python": ("https://docs.python.org/3.10", None)}
+intersphinx_mapping = {"python": ("https://docs.python.org/3.12", None)}
 
 # -- Build environment