[3.14] Fix sphinx-lint warnings (default-role used). (GH-134647) (#134670)

Fix sphinx-lint warnings (default-role used). (GH-134647)
(cherry picked from commit 24a4715)

Co-authored-by: Julien Palard <julien@palard.fr>

Author: miss-islington

Doc/c-api/function.rst

@@ -182,7 +182,7 @@ bound into a function.
    Type of a code object watcher callback function.
 
    If *event* is ``PY_CODE_EVENT_CREATE``, then the callback is invoked
-   after `co` has been fully initialized. Otherwise, the callback is invoked
+   after *co* has been fully initialized. Otherwise, the callback is invoked
    before the destruction of *co* takes place, so the prior state of *co*
    can be inspected.