Bug#910427: patroni: broken symlinks: /usr/share/doc/patroni/html/_static/* -> ../../../../../sphinx_rtd_theme/static/*

[Andreas Beckmann]

Followup-For: Bug #910427

As Dmitry Shachnev mentioned in #911069:

> These symlinks are generated by dh_sphinxdoc, so better to depend on
> ${sphinxdoc:Depends}.


Andreas