[issue22593] Automate update of doc references to UCD version when it changes.

[Ned Deily]

Change by Ned Deily <nad at python.org>:


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assignee:  -> docs at python
components: +Documentation
nosy: +docs at python, mdk
versions: +Python 3.9 -Python 3.5

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue22593>
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