Fix sphinx deprecation warning about env.note_versionchange() (GH-13236)

diff --git a/Doc/tools/extensions/pyspecific.py b/Doc/tools/extensions/pyspecific.py
index 6631743..e097c13 100644
--- a/Doc/tools/extensions/pyspecific.py
+++ b/Doc/tools/extensions/pyspecific.py
@@ -271,7 +271,7 @@
                                    translatable=False)
             node.append(para)
         env = self.state.document.settings.env
-        env.note_versionchange('deprecated', version[0], node, self.lineno)
+        env.get_domain('changeset').note_changeset(node)
         return [node] + messages