PSC is final CoI arbiter

https://discuss.python.org/t/pep-772-packaging-council-governance-process-round-3/100181/83

Author: warsaw

peps/pep-0772.rst

@@ -307,6 +307,8 @@ During a Packaging Council term, if changing circumstances cause this rule to be
 a Council member changing employment), then one or more Council members must resign to remedy the issue, and
 the resulting vacancies can then be filled as :ref:`normal <vacancy>`.
 
+The Python Steering Council is the final arbiter for Packaging Council conflicts of interest.
+
 Code of Conduct
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