update unidata.py from unicode 16.0.0 distributed with Python 3.14

Change-Id: If9a2f4ff81a8c8c46605c28a96fe3096c97630f6

pywikibot/tools/_unidata.py

@@ -273,7 +273,7 @@
 # codepoint it takes longer especially when working with UCS2. The lists also
 # differ between Python versions which can be avoided by this static list.
 #
-# This frozenset was created using Python 3.13 (Unicode version 15.1.0):
+# This frozenset was created using Python 3.14 (Unicode version 16.0.0):
 # list(c for c in (chr(i) for i in range(sys.maxunicode))
 #      if unicodedata.category(c) == 'Cf')
 _category_cf = frozenset([