textproc/py-sphinx: Update to 3.5.2

Add patches to fix Sphinx consumers; The most common issues are related with
pkg-plist, the output files for Sphinx changes between versions, keep this
dynamically is the better approach and will save time in future Sphinx updates.

Changelog: https://github.com/sphinx-doc/sphinx/blob/v3.5.2/CHANGES

PR: 254185
Approved by: python (with hat)
Exp-run by: antoine