PEP 545: Include translations in the Governance topic

PEP 545 covers the governance procedures for the
python.org hosted documentation translations,
it was just written and accepted before the separate
topic pages existed.

peps/pep-0545.rst

@@ -5,6 +5,7 @@ Author: Julien Palard <[email protected]>,
         Victor Stinner <[email protected]>
 Status: Final
 Type: Process
+Topic: Governance
 Content-Type: text/x-rst
 Created: 04-Mar-2017
 Resolution: https://mail.python.org/pipermail/python-dev/2017-May/147957.html