Fix PEP 694 Change History link and date (python#4830)

Author: warsaw

peps/pep-0694.rst

@@ -1105,7 +1105,7 @@ as experience is gained operating Upload 2.0.
 Change History
 ==============
 
-* `06-Dec-2025 <TBD>`__
+* `07-Dec-2025 <https://discuss.python.org/t/pep-694-pypi-upload-api-2-0-round-2/101483/35>`__
 
   * Error responses conform to the :rfc:`9457` format.