Bump Wikipedia export version

[maxjakob]

To fix

> python _tools/parse_documents.py dewiki-20250120-pages-articles.xml.bz2

Traceback (most recent call last):
  File "/Users/maxjakob/src/rally-tracks/wikipedia/_tools/parse_documents.py", line 59, in <module>
    to_json(file_name)
  File "/Users/maxjakob/src/rally-tracks/wikipedia/_tools/parse_documents.py", line 28, in to_json
    for doc_data in doc_generator(fp):
  File "/Users/maxjakob/src/rally-tracks/wikipedia/_tools/parse_documents.py", line 16, in doc_generator
    yield parse_page(element, namespaces)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/maxjakob/src/rally-tracks/wikipedia/_tools/parse_documents.py", line 42, in parse_page
    "title": element.find("title", XML_NAMESPACES).text,
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'text'

See https://www.mediawiki.org/wiki/Help:Export#Export_format

[kderusso]

:rubber-stamp: