doc: update doc version selector for v2.3
@@ -197,6 +197,7 @@ html_context = {
'docs_title': docs_title,
'is_release': is_release,
'versions': ( ("latest", "/latest/"),
+ ("2.3", "/2.3/"),
("2.2", "/2.2/"),
("2.1", "/2.1/"),
("2.0", "/2.0/"),
