Update peps/pep-0749.rst

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

Author: JelleZijlstra

peps/pep-0749.rst

@@ -805,7 +805,8 @@ This allows the following implementation strategy:
 * The generated ``__annotate__`` function uses the set to determine
   which annotations were defined in the class or module body, and return only those.
 
-This was implemented in :gh:pr:`130935`.
+This was implemented in `python/cpython#130935
+<https://github.com/python/cpython/pull/130935>`__.
 
 Specification
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