13.0.2: documentation build fails

Just tested 13.0.2 and documentation build fails

[tkloczko@pers-jacek x86_64-redhat-linux-gnu]$ ninja
[2/2] Generating doc/sphinx/weston-doc-breathe with a custom command
FAILED: doc/sphinx/doc
doc/sphinx/run_doxygen_sphinx.sh
warning: Tag 'HTML_TIMESTAMP' at line 1218 of file '/home/tkloczko/rpmbuild/BUILD/weston-13.0.2/x86_64-redhat-linux-gnu/doc/sphinx/doxygen.ini' has become obsolete.
         To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
Running Sphinx v7.3.7

Warning, treated as error:
Failed to read intersphinx_mapping[https://docs.python.org/3], ignored: SphinxWarning('The pre-Sphinx 1.0 \'intersphinx_mapping\' format is deprecated and will be removed in Sphinx 8. Update to the current format as described in the documentation. Hint: "intersphinx_mapping = {\'<name>\': (\'https://docs.python.org/3\', None)}".https://www.sphinx-doc.org/en/master/usage/extensions/intersphinx.html#confval-intersphinx_mapping')
ninja: build stopped: subcommand failed.