PEP 792: Add link to PyPA specification (#4516)

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

Author: woodruffw

peps/pep-0792.rst

@@ -13,6 +13,9 @@ Post-History: `03-Feb-2025 <https://discuss.python.org/t/79356/>`__,
               `09-Jun-2025 <https://discuss.python.org/t/94978>`__,
 Resolution: `08-Jul-2025 <https://discuss.python.org/t/94978/16>`__
 
+.. canonical-pypa-spec:: :ref:`packaging:project-status-markers`
+
+
 Abstract
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